Which of the following was eisenhower's most significant legislative achievement?
a. the extension of social security benefits
b. increasing the minimum wage
c. the highway act of 1956
d. the establishment of modern republicanism

C. The Interstate Highway Act of 1956, it connected the country by federal roads and reduced car travel time from coast to coast from 40+ days to 4 days.

“larger states wanted congressional representation based on population, while smaller states wanted equal representation. they met in the middle. larger states wanted congressional representation based on population, while smaller states wanted equal representation.” i hope this information you.