What was one of the events that led to u. s. involvement in wwi? a. u. s. troops were captured after they were sent on a peace seeking mission. b. germany sunk the lusitania and other american ships. c. germany invaded waters too close to the united states. d. the united states sunk german u-boats, aggravating tensions between the two countries.

Which best explains why the allies employed the europe first strategy during world war ii? a. japan was a greater threat than germany to the allies. b. japan received military assistance from germany, so the allies needed to defeat germany first. c. the allies wanted to ensure that germany did not continue to conquer european territory. d. the allies needed japan’s vast stockpile of weapons to defeat germany.