Why did the first people trade things

Which of the following was discovered in the piedmont region of north carolina in 1799?

Arecent challenge to the european union created by a member state is?

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male