The answer for this would be B and C
the world war last tell 1945-1939 so the answer Will be D. six years
Cyclic movement involves short trips in which the person moving comes back home eventually, while migration is long term.
Electricity can change the life of the average American by providing lighting, ways to keep food from spoiling, along with ways of cooking the food in more efficient ways that would not have been possible before without electricity.