The answer is: Cities
Approximately, around 80% of united states population live in the cities. This happen because most of job opportunities that exist in united states (whether it's art, technology, or manufacturing) are located in the cities.
Because of this, even people who born in rural areas start to move to inner cities in order to find jobs and sustain their living.
On April 6 , 1917 , the Us joined its Allies to fight in World War I.
In battleground states, they will be more competitive. therefore, people of both parties will feel inclined to run and parties will put more money into flipping them or winning campaigns to show their strength.
Answer:
15,000 - 30,000 years ago
Explanation:
John F. Kennedy predicted that america would have a man on the moon before the end of the 60's.
