Question

1. which amendment allowed citizens to directly elect u.s.

a. 15th
b. 16th
c. 17th
d. 18th

1. the united states entered world war i primarily due to—

a. the attack on pearl harbor
b. the zimmerman telegram
c. the russian revolution
d. japanese expansion

Explanation:

1. For question 6: The 17th Amendment to the U.S. Constitution established direct popular election of U.S. Senators, replacing the prior system where state legislatures appointed senators.
2. For question 7: The attack on Pearl Harbor brought the U.S. into WWII, not WWI. The Zimmerman Telegram (and unrestricted submarine warfare) was the primary event that led the U.S. to declare war in WWI.

Answer:

1. C. 17th
2. B. the Zimmerman Telegram