What additional factor made Europeans susceptible to disease? 1)Their living conditions - lack of clean water and understanding of the importance of sanitation.

2)The Crusades had weakened their spirits, so they could get sick easier.

3)It was actually a conspiracy to decrease the population.

4)Rats were a lot worse back then.

Which of the following describes a difference between an essay's body paragraph and its conclusion? o a. body paragraphs first introduce evidence, while a conclusion simply reminds readers of evidence. b. body paragraphs act as hooks for the reader, while the conclusion simply restates the essay's claim. c. body paragraphs can be any length, while the conclusion has a set number of sentences. d. body paragraphs restate the essay's claim, while the conclusion proposes claims for future essays.