Final answer:
Alexander Hamilton came up with the plan to financially stabilize the government and establish the Bank of North America.
Step-by-step explanation:
As George Washington's secretary of the treasury from 1789 to 1795, Alexander Hamilton came up with the plan to financially stabilize the government and establish the Bank of North America. Hamilton believed that a strong federal government and a national bank would help solve the country's financial issues, provide a solid financial foundation, and foster economic development. Despite opposition from Thomas Jefferson and others, Hamilton convinced Washington to sign the legislation, and the Bank of the United States was established.