By Phil Stewart RAMSTEIN AIR BASE, Germany (Reuters) – The United States said the world was galvanized against Russia’s two-month-old invasion of Ukraine as it hosted defence talks in Germany involving over 40 countries that sought to speed and synchronize the delivery of arms to Kyiv. U.S. Defense Secretary Lloyd Austin hosted the event at Ramstein Air Base following a trip to Kyiv where he pledged additional military support to Ukrainian President Volodymyr Zelenskiy’s war effort, which is at a crossroads. “As we see this morning, nations from around the world stand united in our resolve to …