America entered the war because they intercepted a telegram caled the Zimmerman (i think) telegram that the german's were going to send to Mexico asking them to join the war and help them defeat America (in return they could have Texas and New York) and that was the last straw for America and so in 1917 they Declared War on Germany!
They bomd pearl habor
the sinking of the ship The Lusitania and the breaking of the Sussex pledge.
because japan attacked America causing America to enter world war 2 and i caused a global war because America created the first nuke
The Germans were sinking its supply ships heading for France and England.
World War 2
the sinking of the ship lusitania:)
Pearl harbor.
Europe needed help and weapons
US wanted to trade with the other countries causing them to get involved in the war
They bomd pearl habor
Japan bombing Pearl Harbor
when japan bombed hawaii that was the outrage that causedus to bomb them and then the us broke into world war 1 between japan and usa so suck it
It started with the attack on Pearl Harbor in Hawaii
japan attacked u.s forces at pearl harbor hawaii.
The attack on the US naval base at Pearl Harbor, Hawaii, on December 7, 1941.
the sinking of the ship The Lusitania and the breaking of the Sussex pledge.
The US did enter World War 1, though not till 1917.