A is correct.
B's mistake is hard to see, but it is there.
C has no punctuation where it's needed.
D sounds like this: "This shovel is old and rusty it is good enough. However, for the little bit of gardening we do." It sounds rushed in the beginning and the mark doesn't help.
Answer:
My guess would be voting rights.
Explanation: During the congress it was a voting time so it would be related.
The significance is that he wasn't willing to let go of his chances of trying again. "They dragged Robert out the door, knees stiff, feet dragging."
The answer it the thesis. It explains what the entire essay will be about in one sentence.
Achilleus’s quest for revenge. The speech exposes Achilleus’s feelings of sadness.