A divisive mobilization law in Ukraine came into force Saturday, as Kyiv struggles to boost troop numbers after Russia launched a new offensive that some fear could close in on Ukraine's second-largest city. The legislation, which was watered down from its original draft, will make it easier to identify every conscript in the country. It also provides incentives to soldiers, such as cash bonuses or money toward buying a house or car, that some analysts say Ukraine cannot afford.