Describe a Political Force driving imperialism:

ExplaImperialism is a policy or ideology of extending the rule over peoples and other countries, for extending political and economic access, power and control, through employing hard power especially military force, but also soft powernation:

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.