Silk was not only important for just any handy resource to craft or make something useful or important for life but it was mainly in demand due to the fact that it was a significant factor in the development of several cultures. I don't know if this takes your question head on but I hope it helps :)
The first organized opposition to slavery as an institution emerged in the late "<span>eighteenth," century in the American colonies, since this was when it became very hard to reconcile slavery with democratic principles. </span>
After the successful revolution in the Latin American countries, instead of democracies as the people wanted, the countries became mostly communist and dictatorships. While in some countries that communism was embraced by the people, and in the case of Cuba it worked out relatively well, it was not the case for most of the other countries. The other nations were stuck with dictators that tried to control every aspect of the country and society, and they did it in a very bad manner, usually using violence. That was not seen fondly by the people, so there were lot of conflicts, which eventually led to the overthrow of most of these leaders, and finally became democracies, at least on paper.
The landscape in the areas under Muslim control from the 7th Century changed radically. Their rich contributions are most notable within the fields of irrigation, farming techniques, encyclopaedic works in botany, and the introduction new plants and crops.
