<span>The information we can obtain from the Constitution of the United States by the Confederates is about the slavery of the South and the Cause of the Union. This is based on references about the importance of domestic tranquility and the importance of securing freedom, but only for people protected by the government of the confederate states.</span>
bequeathed means the same as gave.
I will correct the mistakes in the sentences:
A. I thought I seen him in the yard.
Mistake! It should be:
A. I thought I saw him in the yard.
C. When had you saw him last?
Mistake! It should be:
C. When had/have you seen him last?
D. Mary sawed that man again yesterday.
Mistake! It should be:
D. Mary saw that man again yesterday.
So, options A, C and D have mistakes, but option D does not have a mistake in it!
The dreadful oracle is that he would be killed by his grandson
Go looking for more sources is the option. Writing about something you're confused about is not a good choice. Plagiarism is never the right answer. And picking another research topic is not always a possibility and it's nonsensical to just give up on your original topic.