They all went into an underground bunker.
The US entered the war on April 6,1917
1917 smart
Perhaps you are thinking of World War II. In early December 1941, the Japanese (who had allied themselves with Germany and Italy) attacked a US naval base called Pearl Harbor in Hawaii. Up to that point, the US was neutral and had not entered the war, but when the Japanese attacked Pearl Harbor, that persuaded the president and congress that there had to be a strong response, and the US entered World War II.
1918
Fdr
No, the U.S. entered World War 1 in 1917.
1941
england
OF COURSE!!
Britain
The US entered when it declared war on Germany on April 6th 1917. So they entered late.
The US entered the war for a variety of reasons