The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts.
Northerners lost interest in the Reconstruction era because the Northerners got tired of trying to help fix the South's social problems and the Northerners wanted to start working on fixing their own social problems.
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Answer:
The Indian Removal Act of 1830 resulted in the mass migrations of many Native Americans in North America.
Explanation:
The Indian Removal Act of 1830 was signed into effect by President Jackson, which allowed Native Americans to settle in land within state borders in exchange for unsettled land. Many Native American tribes reacted peacefully, but many reacted violently. The tribes reacted this way because they believed the land had religious significance. Due to this, some tribes were unwilling to move. One significant example is the Cherokee tribe, who was forcibly led to move from their homelands by US soldiers. Over 4000 Cherokee Native Americans died on this trail, which is now known as the "Trail of Tears."