When the prehistoric people trekked into south America toward the end of the ice age,they found a wondrous,lush continent inhabited by all manner of strange creatures like giant ground sloths and car size armadillos.
These hunter gatherers proceeded to behave like invasion species,with their population surging the crashing as they relentlessly depleted natural resources.
Then after that alot more people mustered that area,with crops and animals
Separation of Powers in the United States is associated with the Checks and Balances system. The Checks and Balances system provides each branch of government with individual powers to check the other branches and prevent any one branch from becoming too powerful.
Well to be honest, vietnam, korea, and japan all took influence off of china because they all thought the way china was built was amazing.
No, people were confined to their caste based on their job. This was all part of the complex social order.