In a paragraph of at least 5-7 sentences, describe three long-term factors that led to World War I; then describe the chain of events that caused the war to begin.

Responses may vary but should contain some or all of the following information:  There were two major factors that led to US entry into the war. First, the Germans had resumed using unrestricted submarine warfare. They used their submarines to sink ships sailing to Europe, most of which were being used to resupply Germany’s enemies. Many of these ships were American. Secondly, the Germans had sought out an alliance with Mexico. In an effort to keep the US out of the war in Europe, the Germans tried to convince the Mexican government to attack the southern border, and, in return, they promised Mexico American territory once the war was won.

Explanation:

I hope this helps!

it further strained relations between the north and the south and convinced