Why did President Kennedy start the Alliance for Progress program? 1) to prevent the spread of communism in Latin America

2) to promote economic development in Africa

3) to improve relations with the Soviet Union

4) to provide military aid to allies in Europe

1) to prevent the spread of communism in Latin America

Explanation:

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: