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On July 20, 1969, American astronauts Neil Armstrong (1930-2012) and Edwin “Buzz” Aldrin (1930-) became the first humans ever to land on the moon. About six-and-a-half hours later, Armstrong became the first person to walk on the moon. As he set took his first step, Armstrong famously said, “That’s one small step for man, one giant leap for mankind.” The Apollo 11 mission occurred eight years after President John Kennedy (1917-63) announced a national goal of landing a man on the moon by the end of the 1960s. Apollo 17, the final manned moon mission, took place in 1972.

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Often referred to as 11s, the attack that caused death and destruction. Over 3,000 people were killed during the attacks in New York City and Washington, D.C., including more than 400 police officers and firefighter.

after  the attack the USA destroy Osama bin Laden’s terrorist network

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On September 11, 2001, 19 militants associated with the Islamic extremist group al-Qaeda hijacked four airliners and carried out suicide attacks against objectives in the United States. Two of the planes were flown into the towers of the World Trade Center in New York City, more known by the twin towers, a third plane hit the Pentagon just outside Washington, D.C., and the fourth plane crashed in a field in Pennsylvania.

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al-Qaeda wanted to send a message with their attacks.  In short, they wanted to send the message that the U.S. seat of military power (Pentagon), economic power (World Trade Center), and political power (U.S. Capitol Building) were all vulnerable to the ruthlessness and scope of al-Qaeda's ideology.

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1. About 7,200 Americans died in battle during the Revolution. Another 10,000 died from disease or exposure and about 8,500 died in British prisons.

2. A quarter of the slaves in South Carolina and Georgia escaped from bondage during the Revolution.

3. The states adopted written constitutions that guaranteed religious freedom, increased the legislature's size and powers, made taxation more progressive, and reformed inheritance laws.

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The British had many advantages in the war, including a large, well-trained army and navy and many Loyalists who supported the British Empire.

Excellent direction by George Washington; the help of such European nations as France; and tactical errors by British commanders contributed to the American victory.

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The American Revolution began when British leaders began to tighten imperial reins. The most serious problem was the need for money to support the empire.

Tensions increased and took the first steps toward independence from Britain. Before the colonies gained independence, they had to fight a long and bitter war.

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The war resolved two fundamental questions left unresolved by the revolution : whether the United States was to be a dissolvable confederation of sovereign states or an indivisible nation with a sovereign national government

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The reason of the assassination of this important icon of the USA is still unknown. There are many theories but none of them has been proved so we are not able to know the reason why they killed him. But as every famous person is always adored by ones but hated by others.

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John Fitzgerald Kennedy, the 35th president of the United States, was assassinated while traveling through Dallas, Texas, in an open-top convertible.