President Nixon sent US forces to Cambodia in 1970 to form a secret alliance with Cambodian troops. attack villages suspected of hiding Viet Cong fighters. set up supply lines outside of Vietnam. bomb Viet Cong supply lines along the H0 Chi Minh Trail.

the government closely monitored its finances to avoid another financial collapse.

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: