Who is credited with developing the process of vulcanization?
a. george stephen
b. edmund cartwright
c. charles goodyear
d. robert fulton

The __ spread troughout southern africa below the equator during the classical era. a. assyrian empire b. bantu peoples c. axum civilization d. nubian civilization

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Which of these is an exclusive power of the house of representatives? to amend a bill to impeach a government official to check the power of the president to review a tax bill the senate has proposed