The first alternative is correct (A).
The Cold War opposed two powers aimed at dominating the world economic system. The US aimed at developing capitalism and expanding the democratic system, while the Soviet Union aimed to implement the communist system. Communist systems are characterized by state control of the means of production, so that usually only one party controls each communist country.
Jerusalem and Constantinople
hours before his speech to the nation on October 22, 1962, President Kennedy updates former President Dwight Eisenhower on the latest Cuba developments.
Kennedy had made sure that Eisenhower had been briefed regularly throughout the crisis, often by Director of Central Intelligence John McCone, who had been chairman of the Atomic Energy Commission in the Eisenhower administration.
As a leading figure in the Republican party, Eisenhower had criticized the Kennedy administration in sometimes harsh terms. In this call, Kennedy makes sure to get Eisenhower to say he would do the same thing under the circumstances.
number three is the answer