The answer is B, established a free trade zone with Mexico
Explanation:
Public opinion is measured by election results, personal contacts, media reporting, and especially by polls. ... People express their opinions by voting, writing letters or emails, making phone calls or holding public meetings. Interest groups also share the views of their members in hopes of influencing public policy.
Answer: animals migrate to other habitats to find food
Explanation:
The country that the United States sent soldiers to in order to prevent communism was <u>Korea</u>.
<h3>Why did the U.S. send troops to Korea?</h3>
When North Korea tried to take over South Korea, the U.S. got involved because they knew it would make the South communist.
They therefore sent soldiers to South Korea which escalated the Korean War but protected South Korea.
Find out more on the Korean War at brainly.com/question/1169602
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