Answer: Two main events in 1949 shook American confidence concerning the success of U.S. containment policies. The first came in September of 1949 when U.S. intelligence discovered that the Soviet Union had successfully tested an atomic bomb the previous month in Kazakhstan.
Explanation:
Submarines is the only one that didn't cause high casualties .
Answer:
Power
Explanation:
Just took the test, check image. Your welcome! :D
I believe it was the Soviet invasion of Afghanistan.
The answer is probably A. Cultivated Refinement.
Hope I Helped! :)
