#2- Trade emerged as a main source of income.
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.
In simple terms “judicial independence” is a matter of trust: ... Judicial independence is important to you because it guarantees that judges are free to decide honestly and impartially, in accordance with the law and evidence, without concern or fear of interference, control, or improper influence from anyone.