Which TWO elements of Alexander II’s reforms kept the serfs from gaining political power?

ASerfs were banned from leaving rural areas to work in urban factories.

BSerfs had to pay landowners a large tax and a fee for loans.

CThe zemstvos in charge of collecting taxes exploited the lower classes.

DThe czar had the power to overrule the decisions made by the zemstvos.

EThe zemstvos had representatives from only one social class.