It depends on what you take to be the beginning and what the end. It lasted two years if you understand it as from the time it was revealed to the time Nixon resigned. It lasted 5 years if you take it from the time Nixon began doing it to the time he resigned.
He was afraid that south korea would also become a communist nation. he wanted to prevent the spread of communism.
It was the first national government of the unites states until being replaced
The dutch in new Netherland prospered by establishing a great deal of trade connections in which they would sell goods that they cultivated in the New World for a high profit.
