Choose the best word or phrase from the drop-down boxes to complete each sentence. There were a number of factors that contributed to the flaring tensions during the 1850s. Differences over slavery as
well as economic differences fueled
1. Southerners believed that
should
decide whether states allow slavery, but not everyone agreed. African Americans were prevented from living freely
because Southern states had put
into place that prevented them from traveling, learning to read
and write, and marrying.