You're answer is going to be C. "The Red Scare".
Hope this helps! :)
Answer:
Marathon and Plataea
Explanation:
The Persian Wars saw the great Persian army face-off against the smaller and divided Greece in an attempt to invade and conquer them. The Greek city-states had to unite themselves and fight the Persians even though they were outnumbered.
Sparta, who were very strong militarily united with Athens who had an impressive fleet of naval ships, and together they defied all odds to win the battles at Marathon and Plataea.
The original goal was to push that North Koreans back across the 38th parallel.