I think it is the last one if not then it is the first one
“Julius and Ethel Rosenberg are convicted of espionage for their role in passing atomic secrets to the Soviets during and after World War II.” They were also executed in the same electrical chair in 1953. (I could find what their fate was sorry.)
The answer is: B) Wheat
During the early years of the Oklahoma territory, settlers found wheat to be the most profitable crop, since wheat did not require as much moisture as other crops and the Oklahoma soil and climate had perfect conditions to grow this type of crop instead of others like corn and turnips.
It was freedom, philosophers argued, that had at Marathon been defended by the Athenians. Because their victory had inspired other Greeks to resist Xerxes, Marathon had been an important battle: in Marathon, the foundations of western civilization had been laid.
The Battle of Marathon was significantbecause it proved to the Greeks that the Persians were not 'invincible', which boosted the moral of the Greek troops, increasing their confidence to incline themselves in a common cause if the Persian attacked again (which they would).
With the development of Islam, Arabian people found a common cause and a common belief that that they shared and that put their differences aside. Of course, they were split following the death of Muhammad, but that is a different story.