What did martin luther king jr. change the unjust laws of segregation

When King was older, he worked to change those unjust laws. During the 1950s and 1960s, he gave speeches and organized peaceful marches and protests. Beginning in 1955, King led the famous Montgomery bus boycott. ... A year later, the U.S. Supreme Court ruled that segregation on buses was illegal.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]