Answer:
1. Which country has the highest world economic.
2. How many countries have helped the environment
3. Which country has the lowest world economic
4. What does economics have to do with the world
Explanation:
The important demographic shift that occurred in the 1950s was that the white families moved out of the cities and into suburbs. The correct option among all the options that are given in the question is the last option. there was several important reasons that led to such a thing happening. I hope it helps you.