briefly explain the economic theories of John Maynard Keynes and Adam Smith. Explain the importance of these economic philosophers on the free market economy.

Can one nation or empire take over another nation without oppressing others? explain has imperialism become more or less oppressive as the world has become more industrialized? explain is it possible in an era of many democratic societies and advanced technology for nations to gain power without oppressing others? that is, can nations avoid denying people their rights? explain

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

What is the role of communication within groups of people with different backgrounds?