sentences:  In the last fifteen years, they have intervened in a variety of military conflicts in its neighboring countries including Georgia and Ukraine (leading to the annexation of Crimea and an ongoing war in Eastern Ukraine).In the beginning of the 2000s (decade), there was a global rise in prices in commodities and housing, marking an end to the commodities recession of 1980–2000.The US mortgage-backed securities, which had risks that were hard to assess, were marketed around the world and a broad based credit boom fed a global speculative bubble in real estate and equities.