What is the main reason why southerners might have supported henry clays american system?

It promised to transport Southern crops to markets in the North.

Explanation:

The main reason why Southerners might have supported the American System was due to the promise that it would help transport Southern crops to the North. The American System was an economic plan that was mainly proposed by Congressman Henry Clay. The plan included tariffs to protect and promote American industry, the creation of a national bank and federal subsidies dedicated to infrastructure and agriculture.

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.