When did the great depression end and start?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Which of the following is not part of the constitution

Which statement best describes the reason why the allies responded to the berlin blockade by airlifting supplies to the city? they did not have enough troops to attack the ussr. they controlled only the water routes to berlin. they controlled only one land route into west berlin. they did not want to use military force against the ussr.