What democratic senator pushed the idea of popular sovereignty in kansas and nebraska?

Stephen Douglas

Explanation:

Popular sovereignty is the idea that each state would decide between slave and free status. It was accepted, but it created problems when competition turned violent, leading to Bleeding Kansas.

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration