Why do you think the third step of pure communism that marx predicted has never taken place

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.