Why did alexander hamilton believe that the national bank was constitutional? he believed in express powers and a strict interpretation of the constitution. the constitution states that a government should have all the powers to carry out its duties, and the national bank was necessary. he thought the constitution was a weak document that couldn’t address the needs of the government. the constitution mentioned the possible need for a bank.

Alexander Hamilton believed that the national bank was constitutional because the Constitution states that a government should have all the powers to carry out its duties, and the national bank was necessary. The need arised, according to Hamilton, in order to pay for the debt incurred in by the American Revolution. Also, it would be a bank that could loan to businesses and the government.

1) union forces launched a surprise attack.

2) more confederate troops arrived by train.

3) union forces retreated.