Answer:
It means like how are social changes crated. This means like changes in how we create relationships and continue them. We dont realize, but we are changing everyday. So in this question its asking how are those changes created and how to they last?
It would be either a or d since both were in demand yet after the war the army wast buying as many automobiles and they couldn't sell as fast as they were and everyone wanted household goods so they were mass produced until it ran out of consumers to buy the products.
Iraq invaded Iran over
•territorial disputes about the Shatt Al-Arab waterway
•rich oil in the Iranian region of khuzestan
•Territory’s inhabited by a large number of Arabs
•other small political disputes
