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 .-.

Tsar Alexander II initiated a series of importantreforms in Russia. During his reign, the country's rail and communication networks were improved, resulting in increased economic activity and the development of banking institutions.
Answer: Thank you so much have a amazing day also want to be friends
Explanation:
No because it was a dangerous expedition