The answer is Appalachian Mountains
The <span>Appalachian Mountains are located in the Eastern United States and for the earliest settlers, they posed as a barrier for westward expansion.
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These are a large mountain range that spread across Georgia, Maryland, North Carolina, South Carolina, New York, New Jersey and numerous other US States, stretching as far as Newfoundland, Canada
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America’s first political parties emerged in the late 1790s. The Democratic-Republicans were led by Thomas Jefferson. The Federalists were led by George Washington, Alexander Hamilton and John Adams.
The Democratic-Republican Party or the Anti-Administration party (Anti-Federalists) opposed the strong central government that the Constitution established when it went into effect in 1789, and the Federalist Party supported the ratification of the American Constitution. These two parties made up the first two-party system. The conflict over the passage of the federal Constitution of 1787 saw the formation of the first political parties or factions. George Washington served as a uniting force of political parties throughout the first eight years of the country's existence. But after his retirement, the country was divided into two ideologically opposed factions that were soon referred to as the Federalists and Republicans, the country's first two America's political parties.
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A. Americans wanted to protect their land
No provisions were made for an executive branch to enforce the laws nor for a national court system to interpret them. A legislative Congress was the sole organ of the national government, but it had no power to force the states to do anything against their will.