In what is known as The Great Migration, large numbers of African Americans moved from the rural south to northern cities, beginning in the early twentieth century. What motivated this large-scale movement?
job openings due to industrial growth in northern cities
The first alternative is correct (A).
A war is a terroir scenario, where the soldiers go through very difficult times. Many lose friends, see the suffering of people, children, anyway. That way, no matter how psychologically strong a soldier is, his emotional state is shaken.
The Vietnam War itself caused many traumas, as it was a very violent war with many deaths and mutilations. In this way, soldiers who have returned alive have gone through many psychological dramas, alcohol vices, drugs, to the point of needing rehabilitation programs.
I'm thinking either B.capital or D opportunity cost not sure
Answer:
Without the transistor, you wouldn't for starters be able to have computers, let alone the internet. Transistors are found on microchips and without them there would be no modern electronics. Cell phones, cars, tvs, cameras, house hold appliances, anything with microchips in it has transistors, and without them they couldn't work. How important it is for electronic communication is seen in the idea that there wouldn't be cell phones or computers without them.
