Average balance account is your answer
Loyalty oaths in the US were initiated during the 1950s and 1960s. During the 1950s during Soviet annexation of eastern European Nations and developing a Nuclear Threat.
Senator Joseph McCarthy swayed the Nations thoughts to concern about communist spies, agents and saboteurs and a fear agents may injure the U.S. government through espionage or violence.
They were basically to secure the loyalty and well being of American citizens.
d. improve voting rights in the South.
The Civil Rights Act address the issue of discrimination however, voting restrictions were still an issue in the South.
Voting restrictions included literacy tests and poll taxes which limited the ability of blacks to vote in the South. Civil rights activists fought to have a law passed which would outlaw the practice of using voting restrictions. The Voting Rights Act was passed in 1965 which stated state and local level barriers to voting must be removed.