<span>The Iroquois Confederacy was well organized and effective. i think</span>
Probably because any activities related to environment protection require a change of mentality and habits and participation of everyone in order to be fruitful.
The answer is Colonization
Plato's famous philosophical work was called The Republic. In this seminal work Plato, who was a famous Greek philosopher from the antique times, he was describing how a utopia in the form of a country would look like. His work is still being read tody and is considered an important piece of intellectual work in some aspects.