If you mean Prince Henry the navigator, he was the third son of King John I from Portugal and he was called infante Dom Henrique in Portuguese.
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.
The mercantilism policy served to increase tensions and conflict between great
Britain and its American colonies. the policy,coined by Adam smith was the practice by several European countries to allow exports and discourage import, hence exports were encouraged from Great Britain but imports were not from the colonies.
The Louisiana Purchase treaty is important document because it shows the extent to which the United States was claiming land westward.
