President Eisenhower exercised his federal authority in an effort to desegregate schools after the Brown vs. Board of Education ruling. This famous Supreme Court case stated that the idea of "separate but equal" is inherently unequal. Despite the ruling, several different southern states refused to follow the new ruling. This included the state of Arkansas.
The governor of Arkansas used the Arkansas National Guard to stop nine black students from attending Central High School after the Brown vs. Board ruling. Eisenhower than used his presidential authority to send in the 101st Airborne Division of the US military to ensure that these nine students were able to attend Central High School.
Flooding and silt should be the answer
Usally, by horse. (unless you are speaking of what route the would take to get places.)
Answer:
D. It was designed to keep the judiciary, legislative, and executive branches of government working against each other.
