Which of the following statements regarding immigration in the 1920s is true

The number of immigrants coming to the United States declined

Explanation:

In 1924, Congress passed the National Origins Act. This law set quotas for how many people could move to the United States. It limited the number of new immigrants to 2 percent of the number from that country who had been living in the United States in 1890. The law eliminated all immigration from Asia and was aimed at preventing immigration from Southern and Eastern Europe.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.