Russia want to expand their already huge territory in a bid for further domination on the world stage. In return for swallowing up choice bits of real estate, Russia gains further resources under the guise of protecting its own people. This was planned from a long time ago and goes back to the days of the Soviet Union when Russians were forcibly settled in the area in a bid to cause the Russification of Ukraine.
Ukraine has vast offshore oil and gas resources, estimated to be tens of billions of cubic meters of gas alone, in the Black Sea. The annexation of Crimea followed Ukraine’s falling imports of Russian gas, and future plans to become a gas self-sufficient state by 2035. Coupled with the growing EU sentiment in Western Ukraine, Russia decided to take action and annexed Crimea, not to prevent unrest but to gain a resource rich territory.