How did Illinois Senator Stephan A. Douglas intesify the conflict over slavery

Explanation:

Fearing that the issue might disrupt the Republic, he argued for the doctrine of popular sovereignty-the right of the people of a state or territory to decide the slavery question for themselves-as a Union-saving formula. He led the fight in Congress for the Compromise of 1850.  

a.

congress passed laws allowing for free passage between states.

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.