The main way in which the <span>federal system helps prevent the centralization power is that it reserves a good deal of power for the individual states--meaning that this power "checks" the power of the central (federal) government. </span>
Answer:
Led to the increase of american population.
Explanation:
Answer:
<em>hi :D</em>
Explanation:
The Immigration Service continued evolving as the United States experienced rising immigration during the early years of the 20th century. Between 1900 and 1920 the nation admitted over 14.5 million immigrants. Concerns over mass immigration and its impact on the country began to change Americans’ historically open attitude toward immigration.
hope this helps u extra .-.
It’s D. The 18th amendment
