What are the "three recent developments [that] provide reason for increased optimism" regarding the European energy security, as noted by Gerald Stang in "The Bear and The Beaver"? Group of answer choices The increase of the conventional gas reserves in Netherlands, the UK and Denmark; high probability of domestic shale gas replacing them; and soon-expiring contracts to import gas from the Russian Gazprom. The new Energy Union for Europe is in charge of the energy security; the South Stream tying Europe to Russia is not long an option and Europe has improved its energy security standings by balancing Russia against its customers. The decrease of renewable energy use; lowering the efficiency of the economy and increase of the Europe's primary energy exports. Europe benefits from increased intractability of choices due to the lack of the diversity of the new gas contract; there is a jumping curve of the European energy demand and an overall economic revival