<span>Individual state governments</span>
<span>Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the </span>United States into World War<span> I.</span>
Answer: Kennedy and other Western leaders believed that the city should be physically divided.
Explanation:
Kennedy actually didn't do anything about the Berlin Wall because it was actually the Soviet's part of Germany
In an explanatory essay, or any essay, the introductory paragraph introduces (hence it's name) the main idea, or what you are going to explain. The body paragraphs go into extreme detail of what the introductory paragraphs mentioned.