I believe it was England's defeat of the Spanish Armada in 1588
Answer:
Quarantine.
Explanation:
Mr. President John F. Kennedy in his speech october 22, 1962 announced quarantine against cuba island.
In this speech Mr. President said textually: "I have directed the the following initial steps be taken immediately".
First: To halt this offensive build up, a strict quarantine on all offensive military equipment under shipment to cuba is being initiated.
A, Russia. We got it for pretty cheap because it was considered a barren wasteland
According some authors which discuss this theme there were some factors as:
1) At the middle of 1850 the Chinese were still under British rule and the conditions were very difficult.
2) The devastation of southern Chinese by the taiping rebellion. This destroyed the rural economy and killed more than twenty millions people.
3) The gold was discovered in California in 1848. It produced a big immigrations at the final of century 17th.
