Robber barons" is used to describe many industrialists of the late 19th century mainly because they

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

c. the passage of the fifteenth amendment

the answer is b. they could veto laws. this statement does not describe the members of the roman senate since the praetor urbanus was the one that could veto laws.