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This is a nationalism because Thomas Jefferson wanted to buy Louisiana to expand his country because he was hoping a huge population growth in America.

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During this disputes, slavery became the biggest issue. America was split by the conflict between the supporters of slavery and anti-slavery people.

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This cultural belief in the 19th century, which an idea of all American settlers were selected to expand the land through to the North America, created problem of sectionalism and expansion of slavery.

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As it start with the phrase "We are the people of the United State", it is a constitution for not people in some part of states but for all American citizens.

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This is nationalism because they were asked to explore the unknown American territory. They affirmed the sovereignty of America in those territories.

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Boats and boating--Equipment and supplies

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As the name of the event says, only northern states passed legislation abolishing slavery.

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It is sectionalism because American civil war mainly caused by the conflict between the northern states and the southern states.

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It is nationalism because for the first time, the United States has shown its position in international affairs.

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The Bill of Rights was created to protect state rights by limiting federal rights. The Bill of Rights is sectionalism in that it protects the rights of each state.

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The Second Bank of the United States was established to get out of the financial difficulties of the Unites States due to the war.

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It can be said is is nationalism because the election of John Quincy Adams is American presidential election. However, it is also sectionalism as it caused division of the United States in that the winner did not achieve multiple referendums.

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For the same reason as the election of John Quincy Adams, this is both nationalism and sectionalism. Andrew Jackson won the popular vote, but did not win the electoral vote.

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It is nationalism because the courts have shown that the state has no authority to amend the constitution protected by the Constitution.

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The Supreme Court has defined that the US federal government is supreme over the states and that the Constitution gives the government implicit powers.

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Is is nationalism because the Supreme Court ruled that the federal government has constitutional rights to interstates trades and transportations.

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It is nationalism because the United States established independently of Great Britain by the Articles of Confederation, but is also can be said that it improved sectionalism in the United States because it left most of the power with the state governments.

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This is nationalism because it is not a state decision, but a compromise agreement between the southern states and northern states.

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The US government imposed high tariffs on imported goods to encourage national self-sufficiency. This is a manifestation of American nationalism in the international community.

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Andrew Jackson won the popularity poll but was defeated because he couldn't get enough tables in the electoral vote.

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It is nationalism because the Supreme Court laid the foundations of the country by defining the American constitutional law and judiciary.

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It is sectionalism in that the state has the power to invalidate the federal law that it has commented on in the Constitution.

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In my opinion, the simultaneous rise of sectionalism and nationalism in the 1800s confused American citizens and states and led  to the Civil War. After the United States became independent of Great Britain, nationalism worked to make America function as a one country. However, sectionalism began to grow in the country due to the differences lifestyle and population ratio by race between northern states and southern states. The United States faced various problems as these two opposite ideas grew in the United States at the same time. The Civil War was triggered as a result of the growing movement of individuals to protect their own interests.