The invention of electric streetcars, commuter trains, and subways in the late 1800s a. affected only rural regions
b. spurred the growth of suburbs
c. had little effect on American society
d. disrupted traffic in downtown areas

spurred the growth of suburbs

Explanation:

Many people became incredibly interested in this new technologically advanced era that the economy grew

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

c) he felt the constitution clearly gave states this right.