The correct answer to this open question is the following.
You forgot to include your particular historical question, the tips, and the instructions. So although you forgot to include those elements, we can help to comment on the following.
To write a great thesis statement, you have to find one or two powerful statements that could represent the foundation of your work. You can write the main idea of your report. You can have your stand on the subject. Do not forget to be specific and concrete. Another piece of advice would be this. Your statement has to be somewhat controversial. This means that after reading it, your readers would have different opinions about it. If everybody agrees with your statement, it is probably wrong. A good thesis statement invites debate.
I think the answer would be C
I believe it would be B, because there are two subjects that the speaker is referring to at the beginning of the sentence; the caterpillar and the leaf. When they use the word "it" in the second half of the sentence it is unclear whether they mean to say if "it" is the leaf or the caterpillar which they are carrying to their brother.
Answer:
A) Full worthy was he in his liege-lord's war,
Explanation:
This is the line that best references the feudal social structure that existed in Medieval England. In this line, Chaucer describes how the relationship of a lord was with his vassals, who owed him allegiance. Chaucer is one of the most important sources we have that enables us to understand the life of England during the feudal period.