As the US expanded, the states brought into the country had to choose whether or not they would allow slavery, forcing them to take sides in the Civil War.
The Townshend acts were one of the main things that led the US Revolutionary War. The acts involved the parliament of Britain and the colonists in what would become America.
One of the things that the Neutrality Acts did was prevent the United States from trading weapons with any country that was involved in a war. The laws were passed as a way for the United States to stay out of war.
If the state was brought into the union it would upset the balance of free and slave states.
The attack on Pearl Harbour, by the Japanese, directly brought the USA into the second World War. America declared war on Japan, and then Germany declared war on the USA, some days later.
Both ships were the catalyst that brought the US into war. The sinking of the USS Maine brought us into the Spanish American War. And the Lusitania brought us into World War 1.
I really don't know
Franklin Delano Roosevelt and World War II brought us out of the Great Depression.
The Japanese Attack on Pearl Harbor brought us into WWII
it was brought out by world war II, but most people want to think the war just made the depression worse.
The US brought many drafted men and supplies to help the allies. We won the war shortly after starting there.
The Japanese
The thing that brought us into the war was Pearl Harbor. A Jap attack on the US naval base of Pearl Harbor on the Hawaiin island of Oahu on December/7th/1941.
neutrality acts
The US tested napalm, bombs and chemical weapons on the Vietnam civilians.
to try to contain Communism
PEARL HARBOR