Which was a major cause of environmental pollution in american cities during the late 1800s?
a. wastewater discharge from hydroelectric power plants
b. chemicals used in dry cleaning shops
c. large numbers of horses used for transportation
d. dust storms blowing in from the great plains

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france. 

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 liv