I believe it was in Somalia
Karl marx and his fellow writer Engel believed that revolution should start from below, by proletariat coming together, while Maoism recruited the urban population,red army and students. Marxism did not beleive in violent take over but maoism did, which led to him killing millions of people.
The answer is: B) Cars made it convenient to commute between cities and suburbs
Urban sprawl refers to the process of people moving from highly populated area into a more populated area.
Many workers in the city decided to do this by buying a house in suburban area and commute to their workplace every day.
Cars are considered to be a popular option for the to commute. If they commute by train or bus, They're restricted to a certain schedule that might not be convenience to them. Using cars enable them to commute whenever and wherever they want.