Select the correct answer. Why did the US government build an interstate highway system in the 1950s?
A.
to rapidly transport troops in times of war
B.
to urge people to conserve oil
C.
to help improve railroad networks
D.
to aid automobile manufacturers

A. to rapidly transport troops in times of war

Explanation:They were intended to serve several purposes: eliminate traffic congestion; replace what one highway advocate called “undesirable slum areas” with pristine ribbons of concrete; make coast-to-coast transportation more efficient; and make it easy to get out of big cities in case of an atomic attack.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.