Answer:
Thus, as the number of immigrants rose in the 1880s and economic conditions in some areas worsened, Congress began to pass immigration legislation. The Chinese Exclusion Act of 1882 and Alien Contract Labor laws of 1885 and 1887 prohibited certain laborers from immigrating to the United States.
Explanation:
I'm gonna have to say A. I'm not sure though. Hope this helps! Have a good day!
An official count of the population is the census.
The correct answer is agriculture. It was made possible for people to live on a single piece of land and not be nomadic anymore in search of food. Agriculture enabled them to settle around river valleys like Nile or Tigris and Euphrates. This is the era when civilizations started rising worldwide.
