This map from the Washington Post does a good job in general in showing what Ukraine is losing in respect to Crimea.
Ukraine signs EU trade Pact
The whole fiasco started in the Ukraine because a vast majority of Ukrainians wanted tighter relationship and trade with the EU. Yanukovych ignored what the people wanted and signed a deal with Moscow for trade. The protests started almost immediately after.
updated 2:52 PM EDT 03.21.14
Ukraine signs EU trade pact amid crisis
By Laura Smith-Spark. Nina Dos Santos and Frederik Pleitgen, CNN
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Brussels (CNN) – Ukrainian Prime Minister Arseniy Yatsenyuk signed the political elements of a trade pact with the European Union on Friday, even as Russian lawmakers finalized annexation of Ukraine’s Crimea region.
The signing in Brussels signals Europe’s solidarity with Ukraine — and carries additional symbolic force because it was the decision by Ukrainian President Viktor Yanukovych in November to ditch the trade pact in favor of closer ties with Russia that triggered the protests that led to his ouster in February and spiraled into the current crisis.
It also comes a day after the European Union and the United States slapped sanctions on Russian lawmakers and businessmen; Russia responded with its own list of sanctions against a number of U.S. lawmakers and officials.
In another sign of defiance, Russian President Vladimir Putin, flanked by the speakers of both houses of Parliament, signed a treaty Friday finalizing the accession to Russia of the Crimea region and its port city of Sevastopol.
The upper house unanimously approved ratification of the treaty a day after Russia’s lower house of Parliament, the State Duma, passed it by an overwhelming margin.
Russia’s moves to annex Crimea, following a contested referendum last weekend in the Black Sea peninsula, have turned a confrontation with Europe and the United States into the biggest crisis in East-West relations since the Cold War.
In a sign that Western sanctions are already weighing on Russian authorities, Finance Minister Anton Siluanov said Friday in Moscow that the government will have to pay more to borrow money, state news agency ITAR-Tass said.
Russia “will look at our oil and gas revenues. If the situation is like it is now, we will probably have to give up external borrowings and cut domestic ones,” Siluanov said.
Yatsenyuk: EU speaking in one voice
Moscow has doggedly pursued its own course even as Western leaders have denounced its actions as violations of Ukraine’s sovereignty and a breach of international law.