Which of the following was Eisenhower's most significant legislative achievement?

A. The Highway Act of 1956

B. The extension of Social Security benefits

C. Increasing the minimum wage

D. The establishment of modern Republicanism

Out of the choices given, Eisenhower's most significant legislative achievement was the Highway Act of 1956. The Highway Act enables the interstate highways which connects each state together. Today, you can stay on one interstate and visit multiple states in less time than driving on normal roads. The correct answer is A.