What was stephen douglas's theory of popular sovereignty?

Which piece of legislation granted african americans the right to vote

He electoral vote is tied between two presidential candidates. what happens next? the house votes to determine who wins the presidency. the senate votes to determine who wins the presidency. the presidency is decided by the supreme court. the presidency is decided by the popular vote.

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0