A U.S. citizen can start the process of welcoming their partner to the United States through a process known as family-based immigration. This involves filing a petition with U.S. Citizenship and Immigration Services https://hamzahecia413578.bloggerchest.com/35802997/immigration-sponsorship-for-spouses-by-u-s-citizens-bảo-lãnh-thị-thực-cho-vợ-chồng