Which areas are the main sources of immigration to the United States today? A. Africa and the Pacific Islands B. western and northern Europe C. Asia and North America D. southern and eastern Europe ​

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

wilsons 14 points

hope i

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.