The U.S. Department of State has determined that certain objects from abroad brought for display in the exhibition "Cubism in Color: The Still Lifes of Juan Gris," scheduled at the Dallas Museum of Art and the Baltimore Museum of Art, among other venues to be finalized, are culturally significant. The department has declared that showcasing these items temporarily in the United States serves the national interest. The determinations were published in the Federal Register as part of a public notice.
Simple Explanation
The U.S. Department of State decided that some important and special art pieces from other countries can be shown in big museums in the U.S. because it's a good thing for everyone to see them. They told everyone about this decision in an official paper.