Detailed Instructions: You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
Problem:Two more could easily be:

The American industrial base was providing arms and war goods to the British (mostly because German markets were closed off by the British blockade)

The sinking of the liner "Lusitania" by a German U-Boat and the death of American passengers helped sway American popular opinion against the Germans.
Solution:
what are 5 main reasons for U.S. entry into WWI?