The United States was pulled into World War II primarily due to the Japanese attack on Pearl Harbor on December 7, 1941, which resulted in significant loss of life and damage to the Pacific Fleet. Following the attack, President Franklin D. Roosevelt declared war on Japan the next day. Subsequently, Germany and Italy declared war on the United States, prompting America to fully enter the conflict on multiple fronts. Prior to this, U.S. support for the Allies had been increasing through programs like Lend-Lease, but the attack on Pearl Harbor galvanized public opinion for direct military involvement.
2
1914
The United States was neutral.
Just a few hours after the Japanese attacked the United States, the Germans declared war on the United States.
The result of the Spanish/American War helped the United States become a world power by letting other countries know that the United States was not going to back down. Other countries did not want to start a conflict with the United States after this war.
They felt that it was another European war, and didn't want to get pulled in again like with WWI.
World War 1 pulled the United States out of the Great Depression. The need for military supplies resulted in an increasing demand for workers with all the extra jobs.
This was a direct attack on the US from Japan. By attacking the United States, the Axis were sending a message that they considered the US an enemy. This pulled the United States to fight back.
World War I Victory Medal - United States - was created in 1919.
United States Submarine Operations in World War II was created in 1949.
United States Navy operations during World War I happened in 1917.
The United States entered World War 2 after the Japanese attacked Pearl Harbor in December of 1941. Shortly after this, Germany declared war upon the United States. The United States was forced to go to war.
Seeing as Pennsylvania is part of the United States and the United States fought for the Allies in World War I, yes.
United States Submarine Operations in World War II has 577 pages.
That would be World War 1.
world war 2
After World War I, the United States of America emerged as the richest country in the world. The war was fought between 1914 and 1918.