The eisenhower doctrine pledged support:
a. to the iranian government under mohammed mossadegh.
b. for the guatemalan leader jacobo arbenz guzmán.
c. for the un charter. to any middle eastern country resisting communism or nationalism.
d. to any asian country resisting communism or nationalism.

To any Middle Eastern country resisting communism or nationalism, is the right answer.

Explanation:

Eisenhower Doctrine was the foreign policy of the United States enacted by President Dwight D. Eisenhower. It was enacted during the period of the Cold War and after the Second World War. With this policy, President Dwight D. Eisenhower promised the countries of the Middle East to provide military or economic aid in their measure to resist communist aggression.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: