Count the heels in front of you

A portal opens in the United States in 2025, (Covid is not a thing this universe) a portal to another world, one of unseemly size and filled with high magic and high fantasy creatures. With medieval to sometimes renaissance technology boosted by magic technology and weapons how will this other world fair when it invades New York cities central park and Mamdani sends the NYPD fully kitted UP to beat back the invading army? How will the United States respond henceforth?