Answer: The researchers believe the late 19th and early 20th century immigrants stimulated growth because they were complementary to the needs of local economies at that time. Low-skilled newcomers were supplied labor for industrialization, and higher-skilled arrivals helped spur innovations in agriculture and manufacturing
Explanation: did i do that right?
The answer is D. I've done some research.
Answer: A
Explanation: Polk supported the annexation of Texas, he did not go against it.
Answer:Both movements launched nationalist wars that extended over several years.