Which research source is an example of a primary source? a movie about Cold War-era chess

a textbook chapter about the Cold War

an article about the Cold War by an expert

a photograph taken during the Cold War era

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

How did the beliefs of the roman catholics differ from the eastern orthodox form of christianity?

Which of the following scenarios would most likely occur if immigrants opened a restaurant featuring their native cuisine in a small town in america? (for example, chinese immigrants move to a small town in texas and open a chinese restaurant). a. they would get little interest, as americans generally do not like foreign cuisines. b. the dishes would remain essentially the same. c. the dishes would be changed to reflect the tastes of the new location. d. the dishes would be the same in a small town as they would in an enclave.