What was the question that plagued the nation in the 1850's

slavery's expansion in westward

Explanation:

Throughout the 1850s, the southern states had been warning to leave the Union. All began when the South wanted to expand slavery in the westward. The dispute began with new states as it would enter under as slave or free. By the 1850s many abolitionists put their attempts to destroy slavery which led to Bleeding Kansas.

answer; i believe the above statement is (true);

abraham lincoln