Answer:
D.
regional government headquarters
Explanation:
In December of 1956, the Supreme Court ended the bus boycott by ruling that segregation laws were unconstitutional.
On November 13, 1956, the Supreme Court advocated the district court's ruling, ruling that segregation on public buses and transportation was against the law. The boycott culminated on December 20, 1956, after 381 days.
The Montgomery bus boycott was a political and social campaign to protest in opposition to the policy of racial segregation on the public transit system of Montgomery, Alabama.