The 17th Amendment (C) established the system of direct elections of Senators by the voting public. This changed the system whereby these individuals were previously elected by state legislatures.
D.
I’m not sure what u want for the ‘1)’
Answer:
(read this, i hope it helps u with the question)
The event that caused the Southern states to secede was the election of Abraham Lincoln as the President of the United States. Many maintain that the primary cause of the war was the Southern states’ desire to preserve the institution of slavery.
Acts that what I am guessing