How did modern European architecture spread in America?

The expansion project of Louvre in France In modern history, World War II had a great impact on the world, and the architectural world was also greatly impacted. A large number of outstanding European architects came to the United States across the ocean. Among them were Ludwig ludwig mies van der rohe, Gropius and Eero Saarinen. These people brought the essence of modern European architecture to the United States and spread it widely. They have a unique American style. As American architect Wright said at a welcome reception, "After the United States, it's time for Europe to lead architecture …" He admitted that the Chicago School, which had a far-reaching influence on American modern architecture, had ended and was replaced by European modern architecture. American social conditions, competitive strength and cultural traditions are more suitable for European architects to realize their own ideals and programs.