How did conflict between the United States and Mexico increase the need for compromise between the North and South? The South attacked Mexican soldiers over the issue of slavery.
The U. S. gained territory that needed to be admitted to the country as either free states or slave states.
The U. S. and Mexico disagreed about which areas should allow slavery.
Mexico wanted to annex Texas, and the North and South disagreed about whether to let them have the land.

Why was "impressment" an important issue during the jefferson administration? the united states was being treated disrespectfully, as the spanish navy was forcing american sailors into naval service for them. the united states was being treated disrespectfully, as the french navy was forcing american sailors into naval service for them. the united states was treating british navy with disrespect by forcing british sailors into naval service for them. the united states was being treated with disrespect on the high seas, as the british navy was forcing american sailors off their ships and into naval service for them. the united states was treating french navy with disrespect by forcing french sailors into naval service for them.