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.
It was a step towards racial equality and a major point in the Civil Rights Movement. Although it took the Voting Rights Act to finally enforce it, African Americans were supposed to be citizens with the right to vote since the passage of the 14th and 15th Amendments to the Constitution.
