A U.S. citizen can start the process of welcoming their spouse to the United States through a process known as immigration sponsorship. This involves filing a petition with U.S. Citizenship and Immigration Services https://heidiiidu137365.ampedpages.com/spouse-immigration-sponsorship-bảo-lãnh-di-trú-cho-vợ-chồng-của-công-dân-hoa-kỳ-62734319