The voyages of christopher columbus led to contact and an exchange between europe , asia , africa , and the americans called?
a: the continental exchange
b: mercantilism
c: the columbian exchange
d: the treaty of tordesillas

Why were radicals in congress concerned about johnson handling reconstruction? a. he was not a former member of congress b. he was still considered just a vice president filling in until elections. c. he was from tennessee, a former confederate state. d. he had fought for the confederacy

Loftus used her research to prove that a. memories of childhood trauma are usually true b. adults’ memories are concrete and rigid c. children have better memories than adults d. false memories could be created using suggestion

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?