Which of the following innovators was most responsible for making the united states a world economic power?
a.
guglielmo marconi
b.
samuel morse
c.
heinrich hertz
d.
andrew carnegie
is it b?

Why are constitutions, both federal and state, necessary for our government?

Rivalries between european imperialist powers and the growth of european militaries contributed to which outcome in the early 20th century? o a. many european powers were eager to go to war with one another. o b. european states became less concerned about controlling overseas empires. o c. small countries became more willing to join powerful empires. o d. the alliance system that maintained a balance of power in europe broke down.

Who wanted to make drastic changes in society? a.radical b.patriot c.traitor d.independence e.loyalist