Robert Lafayette was involved as a watchdog over what scandal in 1921?
A. Voter Fraud of Wyoming
B. Navy Oil Spill
C. Teapot Dome Scandal

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

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:

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.