What is the main idea of the passage? *A few strong nations held economic and political
power in the global world.
*Cuba needed to develop a capitalist economy.
*People had to work for the ruling class in a
capitalist economy.
*A few economically dependent countries were
strong enough to rule other territories.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live

an ecozone is best defined as a substantial part of the earth that contains living beings.

explanation: