Who were known as "carpetbaggers" and "scalawags"?
a. northern confederates who tried to take over southern lands and businesses after the war
b. northerners who tried to make money off the dire situation in the south and southerners who did the same
c. southern ruffians, usually retired from the confederate army, who wrought havoc in political meetings
d. violent southerners who terrorized blacks to keep them uneducated, poor, and out of politics