How can oil poor countries oil rich countries? ?

i need asap and it does not have answer things need senteces

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

What was discussed at the yalta conference

What is affirmative action as a social program intended to accomplish? do you think it has been successful? what are some specific examples that you can offer to support your answer? this is for my multicultural studies class i need asap !