Answer:
Immigrants Came to U.S. in the 1800s and 1900s. Immigrants who came to the United States during the late 19th and early 20th centuries generally came for economic opportunities or to escape from difficult environments in their home countries. Many immigrants came to the U.S. to better themselves economically.
So its A (I think)
This is the cause of Earth's seasons. Summer occurs in the Northern hemisphere when the north pole is directed toward the Sun. Variations in Earth's axial tilt can influence the seasons and is likely a factor in long-term climate change
B we surprised the nazis by bombing another beach to make it look like we were entering on it it was to get a foothold in France.
Because that's how you get the great depression