bombing of pearl harbor No, no that is WW2, 1941. WW1 is 1914 to 1918. A reason for the US entery into the war was the sinking by a U boat (Submarine) of the Liner Lusitania. Some of the people travelling on it were from the US and there was loss of life. 139 US citizens on board :128 were killed. The Submarine was the U 20.
Germany attempting to form a military alliance with Mexico.
No, World War 1 ended in 1918 and the attack on Pearl Harbor was on December 7, 1941. Pearl Harbor was the event that provoked the US to enter World War 2, not 1.
Germany attempting to form a military alliance with Mexico
The attack on Pearl Harbor by the Japanese on 12-7-41 was the event that provoked the Congress and Senate to vote the next day for declaring war on the Japanese. I am sure that is one of the options on your homework question.
The sinking of the ocean liner RMS Lusitania on May 7, 1915 is considered one of the primary reasons for US entry into the war. Another was the so-called Zimmerman telegram, in which Germany sought to involve Mexico in a coordinated war against the US.The US did not enter World War I until April 6, 1917, 23 months after the Lusitania, but shortly after Germany announced it was re-instituting unrestricted submarine warfare.
the catylist that caused America to enter world war two was the bombing of pearl harbour.
sinking of lusitania
The Bombing of Pearl Harbour by the Japanese on Dec 7, 1941, led the US to officially enter WWII on the side of the Allies.
Japan's surprise attack on Pearl Harbor naval base in Hawaii. Germany and Italy shortly also declared war on America.
pearl harbour!
in 1914 and it ended in 1918
The final straw for America when it came to declaring war or not was the Zimmerman Telegram in March of 1917. The telegram was sent by Germany to Mexico to offer assistance for an invasion of the US.