In us politics, what is the iron triangle?

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

Values, conventions, clothing, and behaviors are part of a group's:

Acurb of this color means you may not stop a) yellow b)green c) red d) blue