Where is the quote? I can't answer without the quote.
They were isolated because they were often far away from each other and were independent of each other because a united Greek state didn't exist, they were all independent city states. Many of them were also on islands that were inaccessible by normal means. Roads were not as developed because of the many islands and rivers and things like that, so they developed in isolation.
Is to help the Contras in Nicaragua. The Contras were the different U.S.- sponsored and supported conservative radical gatherings that were dynamic from 1979 to the mid 1990s contrary to one side wing, communist Sandinista Junta of National Reconstruction government in Nicaragua.
The Contra War occurred in the Central American country of Nicaragua and kept going roughly from 1981 to 1988. The war started as a progression of uprisings against the Sandinista legislature of Nicaragua that that ousted the Somoza fascism in 1979.
Domestication.
1) the first three only apply to plants
2) domestication is the cultivation of a plant for food or the process of taming an animal.