Which of the following occurred during the 20th century?

Question

Quizplus · Accepted Answer

The total U.S. population increased throughout the 20th century due to factors such as immigration and a higher birth rate.

Answer: B
 The percentage of foreign-born residents in the U.S. decreased on average during the 20th century, likely due to immigration restrictions and changing immigration patterns.

Answer: None
 The median age of the U.S. population actually increased during the 20th century, due to advancements in healthcare and longer life expectancies. Therefore, option C is incorrect. The correct answer is A and B only.

Which of the Following Occurred During the 20th Century