Which american political leader made the above address?

a) ronald reagan
b) richard nixon
c) john f. kennedy
d) lyndon b. johnson

D. Lyndon B. Johnson

Explanation:

This address was made by President Lyndon B. Johnson. Johnson was noted for his promotion of an ambitious and wide-reaching social improvement plan he called the "Great Society" plan.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.