President Volodymyr Zelensky delivered a speech at the Munich Security Conference on Feb. 17, urging more security assistance from Ukraine’s allies amid ammunition shortages and the recent withdrawal from the embattled city of Avdiivka. Zelensky’s appearance at the conference comes at a crucial moment for Ukraine. The military was forced to withdraw on Feb. 17 from the heavily battered city of Avdiivka in Donetsk Oblast as Russian forces attempted to encircle it. Meanwhile, the country is facing a growing shortage of ammunition as further aid to Ukraine remains tied up in the U.S. Congress. “K…