Which of the following events helped provoke the united states to enter world war 1

Athe bombing of pearl harbor
Bthe attack on the Alamo
Cthe fall of Poland
DGermany attempting to form a military alliance with mexico

Verified Answer :

It was "d. Germany attempting to form a military alliance with Mexico," that was one of the events thatĀ helped provoke the United States to enter World War 1, although a more significant reason why the German's use of unrestricted submarine warfare.

Germany attempting to form a military alliance with mexico helped provoke the united states to enter world war 1