Which imperialistic us president followed a foreign policy referred to as "dollar diplomacy"

What triggered the surge of conservative governments in central europe at the end of world war i? a. the disintegration of european families in the wake of urbanization. b. a worldwide revolutionary upsurge. c. the revival of the austrian-hungarian and ottoman empires. d. the british suppression of the indian nationalist movement. e. the killing of the tsar during the russian revolution?

What was the main point of truman doctrine ?

The persian empire finally fell to the armies of