When did world war 2 starts

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 thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by:

As of 2013, the world’s total population was about