Trading of goods. For example on the southwest coast of British Columbia the indigenous people had a trading network expanding a great deal inland and even more so southward and northward.
North was most responsible for "killing" reconstruction.
It was not used everywhere. Nationalism mightve occurred in some places but not across everywhere in African and Asian societies.
Grassland hunting is more open and more wildlife, And grasslands are important for hunting because it's one of the main Biomes.
Answer:
Okie Dokie, where r the questions?