Jackson hated the second bank because

Former president Andrew Jackson hated the second bank because the second bank was found guilty of corruption and abuse of authority, as well as influence peddling.

Explanation:

The second bank had a chart that provided it 20 years of privilege to carry out United States banking tasks. However, its leaders used its power to favor speculators and merchants above farmers and artisans. Also because many found that the bank used its influences to boost political postures, propositions, and candidates to reach their objectives.