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.
Q: Two more could easily be:\n\nThe American industrial base was providing arms and war goods to the British (mostly because German markets were closed off by the British blockade)\n\nThe sinking of the liner "Lusitania" by a German U-Boat and the death of American passengers helped sway American popular opinion against the Germans.
A: 
what are 5 main reasons for U.S. entry into WWI?