Answer:
- media coverage of the Selma March for voting rights -> policy legitimation
The Selma March and its media coverage indicates the need for policy making regarding voting right for African American people. This march signals to the government that there is a problem, the people can't stand it anymore and the government needs to find a solution to it. The policy that will come into existence will find its legitimacy in the requests of the people.
- passage of the Voting Rights Act of 1965 -> formulation
In this phase, the policy becomes official through the Voting Rights Act adopted by Congress and having its origins in the Selma March for voting rights.
- congressional oversight of implementation of the act -> implementation
Congress is responsible for correct implementation of the Voting Rights Act, so it oversees the process of implementation.
- review of constitutional challenges to the act by the federal courts -> evaluation
The Constitutional challenges to the act are reviewed by the federal courts in the "evaluation" phase, which ensures that the policy is constitutional in all its aspects that are revealed in practice. If it's not, the policy should be changed.
