Adevelopmental psychologist might use to observe how children behave on a playground

Who built the first turnpikes in the united states? a) the national government b) state governments c) private companies d) town councils

What is generally true of the lower house in a state legislative branch ?

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 !