An Indian merchant meets with a Roman trader and gives him jewels and spices. In exchange for those items, the Roman gives him the same amount in olive oil and figs. What is this situation an example of?

supply and demand, because the Indian merchant is supplying what the Roman trader is demanding.
barter, because the Indian merchant and Roman trader are using goods rather than using money in the transaction.
supply and demand, because the Indian merchant's spices and jewels are more rare than the Roman's olive oil and figs.
barter, because the Indian merchant and Roman trader are making a decision to select certain goods.
13. Which of the following resulted in ecosystem destruction in ancient West Africa?

camel domestication
gold mining
cotton growing
rice growing
14. Why was Paul a significant figure in Christianity?

He helped separate Christianity from Judaism.
He wrote much of the Old Testament.
He translated Jesus's words into many languages.
He freed Christians who had been arrested.