Study the us census chart. the first "total" column describes the number of immigrants in the us at the time of the census. the "region of birth" columns detail where these immigrants were born and where they most likely emigrated from. what was the trend in immigration and birth region between 1900 and 1990? (site 1)

The number of immigrant rapidly increased, since the US census chart shown the percentage of region of birth reported, the number of total number between 1900 and 1990, jumped from the population of 10,341,276 to 19,767,316. Especially Asian and European were the largest population of region of birth reported.

the answer is b. apsidal precession