Why were interstate highways initially built?

1.to accommodate the increasing number of automobiles
2.to make it easier for U.S. citizens to travel from state to state
3.to enable the quick movement of troops in case of a nuclear attack
4.to allow for faster speeds so that people could reach their destinations in less time

5. to provide a more efficient way to transport goods and services across the country

1 2 3 or 4

3. to enable the quick movement of troops in case of a nuclear attack