Answer:
social structure , is correct
Thank you for posting you question here at brainly. The longest, deepest, and most pervasive depression in American history, lasted from 1929 to 1939. Its effects were felt in virtually all corners of the world, and it is one of the great economic calamities in history.
Answer: Its like the books of time and gives a sense of what going on with the context, newspapers etc.
A system of peace treaties that involved harsh penalties for aggressor nations and their allies
