i think it should be either c or d...
in my preference it should be c beacause industrialisation leads to urbanisation and urbanisation leads to physical and expansion growth ..
You must be 35 years old, born in the United States (or be a resident for 14 years)
How the U.S economy was connected to the broader global economy during the Cold War was by relying on sales in the markets that are located overseas. The U.S economy also needed oil which were produced overseas, thus, suffered a lot due to the oil rise in the year 1970. Hope this helps.