Answer:
Immigrants ramp up the competition for jobs, creating a surplus in labor for some sectors. Also promoting innovation.
Explanation:
D. It was a trade route that connected China with the West
Answer:
It’s b because the war ended with the treaty of Guadeloupe Hidalgo which settled the border of Texas (between Mexico and us territory) and stated that Mexico would have to cede territory to the us
Explanation:
"A" would be the correct answer. Even though the main goal of the voyage was to find a different sea route to Asia. Bartolome and other Portuguese explorer have also made stops along the African coast and started to realize how could of an alternative they would be compared to the Mediterranean trade routes.
I'm positive with the answer tho