The Marshall Plan was designed to A.
prevent Soviet involvement in Algeria.

B.
restore the economic stability of European nations after World War II.

C.
develop a comprehensive military strategy for the defense of Taiwan.

D.
create instability in Eastern European nations under Soviet control.

B

Explanation:

Marshall Plan, formally European Recovery Program, (April 1948–December 1951), U.S.-sponsored program designed to rehabilitate the economies of 17 western and southern European countries in order to create stable conditions in which democratic institutions could survive.

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:

this is a good question! i'll do some research and come back when i have the answer!