B
That has to be right or it would have to be
A
The answer choice which best illustrates that the underlined sentence develops the central idea is; it shows that a muslim invention benefited european society.
<h3>Which best develops the central idea?</h3>
The passage in discuss reads thus;
<u>But the Crusades were more than battles; they were also an information exchange.</u> As a result of their contact with Muslims, the Europeans began to break out of their sealed-off world. They learned mathematics and, according to some scholars, how to build windmills. Windmills were a great power source that allowed Europeans to drain swamps and make use of lands that had previously gone to waste. With more land, they could grow more food. This knowledge that Muslims had helped Europe to get on its feet. And wars against the Muslims brought Europeans to sugar.
It therefore follows from the underlined sentence that there were negative and positive results from alliance.
Read more on central idea;
brainly.com/question/1914191
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The main idea is that Whittles was unhappy. 1 detail is that he would not eat. Another detail is that he stayed at the bottom of his pen without coming up for air.
You could have googled that, but the answer is Arthur Conan Doyle.
