By Mark Trevelyan (Reuters) – Russian President Vladimir Putin told the French and German leaders on Monday that he planned to sign a decree recognising two breakaway regions in eastern Ukraine as independent. Here’s a look at the implications for the wider crisis, in which the United States says Russia may be poised to invade Ukraine with a force of up to 190,000 troops it has massed near its neighbour’s borders. WHAT ARE THE BREAKAWAY REGIONS? Russian-backed separatists in the Donetsk and Luhansk regions – collectively known as the Donbass – broke away from Ukrainian government control in 20…