What does Madrid Spain got to do with yellow journalism, spanish american war or de lome letter?

Okay.so I got an essay due friday and we were given places and quotes that we need to figure out the content and make a story and thesis and an essay out of it. The places were Newyork,Madrid, and havana. The quotes were about yellow journalism, the Spanish American war and the de lome letter. So the thesis is Yellow journalism caused the Spanish AMERICAN WAr and the strory is : Yellow journalism were published in New york. The Yellow journalism also published stories about the explosion of the Maine in Havana Cuba. An then The de lome letter criticized mckinley and influenced his decision to declare war on Spain. and then the war starterd. So what happen in Madrid?