Astronomy mathematics medicine and physics
The answer the question is Pennsylvania had the first oil rush in 1859
by granting US veterans benefits to attend universities
The right answer for the question that is being asked and shown above is that: "A Vietnam." Vietnam <span>was never divided into separate democratic and communist countries. There was also a big war that happened in Vietnam that brought a lot of changes.</span>
Answer:
a,b,c are correct... take for example Indus valley civilization
