King thinks that gradualism is
the correct response to black people’s problems
a policy that prevents americans from acting
unconstitutional
illegal

Gradualism would be the correct response to black people's problems, as what Martin Luther King thought to be. By definition, "is the theory which holds that profound change is the cumulative product of slow but continuous processes" according to Wikipedia.com. King believed that the civil rights must be gradually changed in the constitution for the benefit of the black people.