Divide this text into sentences and correct mistakes: 1. Music meet mark he's a US citizen. 2. During one of his trips abroad, he met and fell in love with Kate. 3. After dating long distance for a year, Mark returned to Kate and proposed. 4. They spent some time together, and then he went back to the U.S. to quickly begin the process of sponsoring her. 5. There are three main phases in this process. 6. The first phase is getting through the United States Citizenship and Immigration Services or USCIS. 7. In order to do this, Mark needs to first complete all the required forms, which can be found on USCIS.gov. 8. Then, he needs to gather all the supporting documents that are listed in the instructions of each form. 9. But you should always consult an immigration attorney since you may need to provide additional documents based on your particular situation. 10. Once Mark completes all the forms and puts together all the required documents, he mails the package with the filing fee to USCIS. 11. Depending on which state Mark lives in, he will mail the package to either the USCIS Phoenix lock or the Chicago lock. 12. USCIS can take up to six months to issue a decision. 13. Once Mark receives the approval notice in the mail, phase one is complete. 14. The second phase is getting through the National Visa Center or NVC. 15. Once USCIS approves a case, they send the information to NBC. 16. NVC then assigns you a case number and mails you a letter with the instructions on how to proceed. 17. It takes a few weeks for NBC to send out this letter. 18. When Mark receives the letter, the second phase begins. 19. Following the instructions on the letter, Mark signs into his account, pays the immigrant visa fees, and completes the application. 20. After doing all...