After the death of Alexander, his generals known as the Diadochoi divided his conquered lands among themselves, which soon those lands became <em>three powerful dynasties </em>which are -
It is very rare to have precipitation in either the tundra or deserts. They both experience extreme temperatures. Also, limited and no plant life can survive there.
Federalism is the system of government in which power is divided between a central government (so America's federal government) and regional governments (state governments). So I think it is C
