Political geography studies all the following except Economies ( answer A). Political geography is concern with study of both spatially uneven outcome of political processes and the ways in which political processes are themselves affected by spatial structure. It also involve study of boundaries and their associated region.
This was due to the Czar Nicholas II, who led more of a dictatorship. In 1917, people rebelled, so the Czar stepped down.
After studying the maps that you posted with the question, the map that shows both the dominate air pressure over India can be found easily. So the air pressure system that forms in the summer and the direction of the surface winds around the air pressure system can be found in map number 1.