A U.S. citizen can initiate the process of having their partner to the United States through a process known as family-based immigration. This requires filing a petition with U.S. Citizenship and Immigration Services https://jasonomhd107111.bloggerchest.com/35782148/immigration-sponsorship-for-spouses-by-u-s-citizens-bảo-lãnh-thị-thực-cho-vợ-chồng