The answer is: shifting from an agrarian lifestyle to an urban lifestyle.
Coast to coast flights were known as transcontinental flights.
It commonly refers to a non-stop passenger flight between an airport in the West Coast of the United States and an airport in the East Coast of the United States.
In 1921 the final destinations were mainly in Florida.
The Clouster was a gigantic biplane which flew coast to coast on 24th February, 1921. It became the first place to fly with a load heavier than its weight. Later, it took passengers from san Diego to Los Angeles.
B. the Catholic and Anglican Churches were equal in the eyes of God
The purpose of the Council was to denounce alleged heresies by the Protestant Church.
B. If a ruled doesn't have enough troops, he can hire mercenaries to fight for him.