How did the Mexican-American War ignite a conflict over slavery between the North and the South? can someone help me

Question

mystery???? · Answer

Mrs. Sue can you help me?

bobpursley · Answer

Mexico would not allow Slavery in Texas while it was part of Texas, and Americans moving to Spanish TExas didn't like it, so started a war with Mexico for Independence. The same argument moved to the US, and the Civil War settled it.