I believe the answer to this is true i have done some research and asked a teacher so i am almost 100 percent positive
A CEO runs their own individual branch, therefore A General would command his/her own A Military or Company (Company depending on whether or not it is a Military company, one containing anywhere from 80 to up to 250 men).
An ambassador is the President's highest-ranking representative to a specific nation or international organization abroad. ... A key role of an ambassador is to coordinate the activities not only of the Foreign Service Officers and staff serving under him, but also representatives of other U.S. agencies in the country.
D, some states now allowed slavery and some didn't