Why did stephen douglas’s idea of popular sovereignty fail to bring unity to american’s views on slavery?

Lava and other matierls luanced from a volcano and into the air are referenced as

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

How much time on average do americans currently spend watching tv and videos per day?