It was the "Blood(y) Sunday" Russian Revolution that led to the creation of the duma, since the revolution eventually forced Tsar Nicholas II to make certain concessions, especially pertaining to the creation of the duma.
And B. physical systems because there are volcanoes, oceans, land, mountains, forests
I believe that it is sapien
The answer is B. The Marshall Plan was made to lend mainly Germany money post-war, however what the US really wanted to happen was the Germans would take the money to pay back Britain and France who would then in turn pay the US back for aid lenses during the war. Although in the end it resulted in massive inflation in Germany and caused a worldwide economic slump that last for almost a decade because in the end the money wasn't making its way around the circle.
