The correct answer is C. Lyndon B. Johnson.
Lyndon B. Johnson urged the congress to pass the act of civil rights which were part of his vision for Great Society.
Lyndon was the 36th United States president from being a vice president. He was a leader of majority in the senate and representative in the united states.
He designed all legislation on the great society in domestic policy which expanded medicaid , medicare, public broadcasting, rural development, public services, civil rights, war on education, and aid to education.
During his administration many americans who were poor were raised up to poverty line.
Racial discrimination for public facilities were banned because of the bill of civil rights which as signed in to law by Lyndon.