They either didn't know about it until after the fact, or they were afraid of what would happen once they were caught
Answer:
Ethel and Julius Rosenberg
Explanation:
The Rosenbergs were executed after being convicted of giving US secrets around atomic weapons to the Soviet Union
Chivalrous customs are loyalty and courage. Like being kind to women.
Answer:
The impact was mainly the American failure to commit to the policy of containment. The North Communist regime was able to take over the South, a victory for the Soviets and the Communists. Another more important (in terms of U.S history) impact was the creation of the Nixon Doctrine, which declared that future allies would only attain U.S support without the extensive use of U.S military action.