A.) Frame Rate is your answer
I believe the answer is D as B and C are just completely false and while A could be possible its not the answer because granting voting rights to former slaves doesn't really punish the south but it does give former slaves suffrage. So its D
It’s in the picture to at least help you out from the best of my knowledge
<span>In the feudal system of the Medieval age, a Serf was a person who was bound to the land of his Lord. A Serf was required to service the Lord as requested. Typically, the peasant Serf would perform manual farm labor on the land and then any other duties requested by his Lord, in exchange for using part of the Lord's land to generate their own food.</span>
