German U-boats sinking the Lusitania, if you're only talking about our reasons with Germany. But really we came into WWII because Imperial Japan bombed Pearl Harbor.
The correct answer is African Americans. Many of them joined the workforce because many came home as veterans from WW1 or didn't come back at all, which meant that people now needed more people to work, so African Americans started working more in various industries and manufacturing plants.
What are the answer choicesI need more information please!!
2) the treaty of Guadalupe Hidalgo lead to mexico giving the United States 525,000 square miles of territory, including the land that makes up arizona, california, colorado, new mexico, nevada, utah and wyoming
<span>to test military technology-novanet</span>
