Primary reinforcers are effective because a. they satisfy basic biological survival needs. b. we inherently want approval for our actions. c. they have been associated with secondary reinforcers and have become reinforcing. d. the organism has learned to want them.

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

Which of the following did the founding fathers see as a benefit of the federal structure (federalism) of government? a.) all power is concentrated in the national government. b.) the power is divided between national and state governments. c.) all the power is concentrated in the state and local governments. d.) the power is divided between the people and the government

Restricting immigrants from entering a country may be based on what belief?