Answer:
In the national popular vote, Polk beat Clay by fewer than 40,000 votes, a margin of 1.4%. James G. Birney of the anti-slavery Liberty Party won 2.3% of the vote. As President, Polk completed American annexation of Texas, which was the proximate cause of the Mexican–American War.
Explanation:
Hope it helps! Correct me if I am wrong :>
It did not lead to the Civil War, what led to the civil war was the war of 1812. That was when U.S.A recognized that it needed to become stronger, and slaves were transported to the United States and put in the working class under bad conditions. Child labor and prejudice began there as well.
He thought it was to strong he did not believe in a successful attack
