They had equitment that was helping them in war
spiritual songs were sung in the fields to keep their spirits up
The collapse of soviet union and the uncertainties of the post cold war world produced a number of foreign policy crisis that challenge Clinton's ability as a stateman
The reason is very simple - profit.
The rabbits were not worth much to the Europeans, but were to the Aztecs, but the cocoa beans for the Europeans were like gold. They were a very attractive exotic product from which unique and unseen things were made. In the European market the cocoa beans had enormous price, and the demand for it was very high especially from the aristocracy which loved it and didn't speared money for it.