Answer:
C. Shays's Rebellion.
Explanation:
The Articles of Confederation was the first constitution of the US, it lasted from 1776 until 1789, established a weak central government and gave most of the powers to the states.
Under the Articles of Confederation economy of US stumble as the central government lacked the power to enforce tax laws and regulate commerce.
Shays rebellion also revealed its weakness of federal government as it was unable to finance the troops. It was a rebellion of Revolutionary War veterans. The rebellion was finally put down by a privately funded local militia and Massachusetts State militia as the federal government was unable quell it.
Shays rebellion and lack of powers of central government revealed the weakness and the widely held view was to amend the constitution and reform the government.
The Missouri compromise of 1850 helped balance the number of Free states and Slave states helping it avoid a war however it did not solve the issue of slavery keeping the nation divided.
Economic. the most direct was the stock market crash. politically, the US was helping rebuild the countries in Europe that were destroyed bc of war. however, when the stock market crashed these countries couldn’t pay back the US.