They could get to know each other without supervision.
and
They had a cheap fast mode of transportation to go to places and to get to school, home and work without the expense of a car.
The Cold War Containment policy was a complete bust because we pour money into failing countries so they there economy was strong enough to where they wouldn't have radical thoughts of communism this was referred to as the Truman doctrine and then the Eisenhower doctrine that funded the middle east. Then we went into the police action "war" in Korea so that the domino effect wouldn't allow other nations to fall to communism