The 1968 assassination of Robert Kennedy? A) robbed anti-war Americans of their leading candidate

B) finally brought about an end to the Vietnam war

C) left Richard Nixon as the democratic presidential candidate

D) caused the Democrats to cancel their national convention

D

Explanation:

your answer will be b. improving roads, bridges, and other infrastructure. hope i !

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: