According to Alexander Hamilton, which action was necessary to ensure the stability of the new nation's economy?

The establishment of a national bank was necessary to ensure the stability of the new nation's economy.

Explanation:

The establishment of a national bank was one of Alexander Hamilton's many contributions to the emerging American economy. This bank would protect American manufacturers through direct government subsidies and taxes on imported goods. This bank was referred to as the First Bank of the United States. It was opened for business purposes in Philadelphia on December 12, 1791.