C. Treaty means a formal agreement between two or more governments
Answer:
The Irish
Explanation: The Irish were among the largest and influential immigrant groups in the United States.
Answer:
The U.S joined the military combat in WWII after the attack on pearl harbor.
On 7 December 1941, while German armies were freezing before Moscow, Japan suddenly pushed the United States into the struggle by attacking the American naval base at Pearl Harbor, Hawaii. Four days later Hitler declared war on the United States.
And what did hitler do to cause the war?
Hitler smashed the nation's democratic institutions and transformed Germany into a war state intent on conquering Europe for the benefit of the so-called Aryan race. His invasion of Poland on September 1, 1939, triggered the European phase of World War II
Explanation:
Equal forces and no use of nuclear weapons.
After the initial invasion of the South by the North, UN forces under US leadership were able to push back forces into the North. However, China then entered the war creating a surge back toward the 38th parallel. With the US unwilling to use an atomic weapon, the countries were evenly matched and no one was able to make traction.