The immigrants who arrived in America during the early years of the 20th century were from Eastern and Southern Europe and Latin America. The reason for their arrival was a lack of economic opportunities in their homeland. The majority of immigrants crowded into the growing cities and towns. They came here to work as labours and to start a new life. They lived in close communities in harmony because of their language, practice their religion, and culture.
The indians were impacted by how the Europeans tride to take over their land and kick them out over time. They also introduced the Indians to guns and horses. The idnians affected the trade with Europeans.
Judicial Review is the power of the U.S. Supreme Court to review laws and actions from Congress and the President to determine whether they are constitutional. I hope its correct.