The River Valley civilizations that emerged on the Yellow River ( China ), the Indus River ( India ), the Nile River (Egypt ), and between the Tigris and Euphrates Rivers ( Mesopotamia ) made lasting contributions to civilizations.
Answer:
Natural barriers such as mountain ranges, oceans and large deserts limit human travel and isolate populations, thus restricting cultural exchanges. Island nations, such as Japan, were long isolated from other cultures. This fostered the development of rich, unique cultures.
Explanation:
hope that helps if not arry
Answer:
Behavioural Contract.
Explanation:
Behavioural contract is a written agreement between two parties where they agree on a certain level of behaviour. The above contract could happen between a child and parents, a student and a tutor, it could also fall in place for just two individuals with common interest at a given period. It could also be kept by reaching goals, hinging on a specific attitude, consistency and a whole other things to keep positive to this contract.
The first one is Hindiusim.