Population. State must have people, the number of which does not directly to relate to its existence.
Territory. A state must be comprised of land, Territory with known and recognized boundaries.
Sovereignty. ...
Government.
The imrpoved agricultural techniques, such as the three field system, the climate change, and the horse plows. These effected Western Europe during the middle ages because the three field system produced better crops, the climate opened more land to farming, and the horse plows allowed faster harvesting. This made life a lot easier for farmers.
I dunno so yea blah blah blah
