Why did societies begin to use mediums of exchange? A. to slow down cultural diffusion
B. to help spread the barter system
C. to stop trade over long distances
D. to make trade more convenient

Explain the difference between a physical change and chemical change

Why does reagan claim the united states needs a strong defense policy?

Ineed ! 10 more minutes until test is ! will give 15+ points and ! kansas history which is an example of popular sovereignty? a. the fugitive slave law enforces stricter penalties for people who runaways. b. the united states congress passes a bill limiting the slave trade. c. settlers in nebraska vote on whether they wish to make slavery legal. d. an abolitionist exercises free speech by publishing a newspaper.