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The United States of America initially consisted of 13 states that had been British colonies:
Delaware, New Jersey, Connecticut, Georgia, Maryland, Massachusetts, New Hampshire, New York, South Carolina, Virginia, Rhode Island, Pennsylvania.

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It was signed by American and British Representatives on September 3, 1783, ending the War of the American Revolution. Although the treaty secured Americans independence, it left several border regions undefined or in dispute.

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It established a government for the Northwest Territory, outlined the process for admitting a new state to the Union, and guaranteed that newly created states would be equal to the original thirteen states.

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He has been deemed the "father of American technology," for two innovations: the cotton gin, and the idea of using interchangeable parts.

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Napoleon Bonaparte sold the land because he needed money for the Great French War. The acquisition of the Louisiana Territory for the bargain price of less than three cents an acre was among Jefferson’s most notable achievements as president.

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Abolitionists wanted to end slavery so they persuaded the Congress to make it illigal for ships to bring any new slaves from Africa.

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In the north of the United States farms were smaller, in opposition to the south. Farmers did not need slaves to work their lands for them. Many were abolitionists. By the 1820s southern and nothern politicians were arguing about whether slavery should be permitted in the territories that were then being settled in the West.

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It gave the president power to negotiate removal treaties with Indian. They were made to give up their lands east of the Mississippi in exchange for lands to the west.

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Texas became independent from Mexico. In 1845 it was annexed to the US.

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He claimed that a state had the right to disobey any federal law if the state believed that the law would harm its interests.

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The federal government drove the Cherokees from their land for the last time. American soldiers gathered the Cherokee people and when the journey was over more than 4.000 men were dead.

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1846 - The Oregon Treaty with Great Britain

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1846 - The Oregon Treaty with Great Britain

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The United States and Great Britain signed the Treaty of Oregon on June 15, 1846, ending 28 years of joint occupancy of the Pacific Northwest. The treaty established the 49th parallel as the border between the two countries. It was one of the first successes of Manifest Destiny.

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The war was a conflict between the United States and Mexico.  It resulted in the Americans gaining more territory  of Mexican lands. In the present form the American states of California, Arizona, Nevada, Utah, New Mexico and Colorado.

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Amerindians signed treaties with the government saying that, in exchange of land, the large areas between the Missouri River an the Rocky Mountains belonged to the Sioux. The Amerindiasn signed away an area that today would be Nebraska, lands in South Dakota, Kansas, Colorado and Texas.

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In 1861 a Republican anti-slavery named Abraham Lincoln was elected President. The year before, southerns made a threat saying that they would break away from the United States if Lincoln became President. In February 1861, a total of 11 states announced they were an independent nation, often known as the Confederancy.

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On April 12 1861 Confederate army opened fire on a fortress occupied by United States troops, marking the beginning of the American Civil War. The North  was much stronger in both men and material resources than the South.
On April 1865 General Grant (from the Union) defeated Confederate soldiers and made them promise never again to fight against the United States.

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He was the General of the Confederate army.

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He commanded the victorious Union army during the American Civil War. After the war he became a national hero.

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On April 9, 1865 Lee met Grant in Appomattox and surrendered his army. The Civil War resulted in various consequences. Among these were the Emancipation Proclamation, farms and plantations were destroyed, and many southern cities were burned to the ground such as Atlanta, Georgia and Richmond, Virginia.

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American soldiers found gold in the Black Hills of South Dakota, a sacred place to the Sioux. Despite their refusal to sell, the American government allowed miners to enter the Black Hills.

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The production of coal and iron grew especially fast, being the cause and the result of a rapid growth of American manufacturing industries. With the growth of corporations, rich men controlled the lives of millions of people, sometimes interfearing with political decisions to pass laws that benefited them.

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Progressive President Theodore Roosevelt was elected (1901-1909). He supported laws to control that food and water were pure. He also persuaded Congress to pass conservation laws to save natural resources from being used up carelessly.

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In his four years as President, Taft enforced lawsuits against more companies than Roosevelt had in seven. He also encouraged businessmen to invest in strategically areas such as Latin America.

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By 1910 about 14.5 percent of the people living in the United States had been born in other countries. Although they were better dressed and better fed than they had been before leaving Europe, they lived a hard life working in terrible conditions, and exposed to all kind of diseases in the slums they were living in, often overcrowded.

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In 1912 the candidate of the Democratic Party was elected President. Among his policies, he enabled farmers to receive loans from the government and he also reduced custom duties to foster trade between US and other countries.