Oil, fuel. Is that what your asking? I don't get it.
I Believe the answers are: <span>interdependence, irreversibility
Interdependence in this context refers to a situation where the existence of two or more cultures are depended on each other's existence.
Irreversibility in this context refers to the situation where changes that have already been made couldn't be transformed back</span>
Idk west? Becuase it’s always by the water and the water is on the west side
The T<span>reaty of Tordesillas gave Portugal land on the east side of the imaginary line that the Pope drew in the mid-Atlantic Sea. Portugal's side included part of South America and parts of Africa.
Hope this helps :)</span>