In North America, the capitalist economic system contains many aspects. What could this economic system be called?

It is nonrenuable which means that once you have used it, it's gone forever.

Where are the colloms

Physics and astronomy were developed in babylonia.

They contributed many things, but here are some examples:

1) democracy - democracy as a political system was first implemented in ancient athens
2) some advances in mathematics - such as the pythagoras' law
3) the script - the roman script was adopted from ancient greek.