Pro-Russian insurgents quickly gained control of territory of their residence due to the lack of action by the Ukraine's new government forces, which in turn allowed for an even greater inflow of insurgents from Russia as government quickly lost control of the border.
Pro-Russian insurgents quickly gained control of territory of their residence due to the lack of action by the Ukraine's new government forces. The Ukraine's new government forces in turn quickly lost control of the border. This turn was allowed for an even greater inflow of insurgents from Russia as government.