Describe the social contract theory and how john locke expanded this idea. 

American troops were worried about cantracting in cuba a. yellow fever b. hepatitis c. polio

What impact did entry into ww1 have on life in the us?

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0