In 1492 Columbus landed on an island of the Bahamas, the first European to do so. His initial goal was to find a quicker route to Asia from Europe. He is credited with the discovery of the New World because his voyage started the era of European colonialism in the Americas
The Chinese didn't want there people using it but, people kept secretly selling it to there people. I am pretty sure that's the answer... You might wanna do a little more research cause it could be the other way around
The Truman Doctrine and the Marshall Plan
The main answer to this is that peasants, and/or subjects feared what would happen to them if they disobeyed tax collectors, or powerful people within the government.