1. Free education: As an American citizen, Mabel is entitled to free education in American public universities. This means that they can save a lot of tuition fees and make it possible to receive high-quality education.

2. Loan concessions: The U.S. government provides citizens with various forms of loans, including low-interest loans, to help them pay their college tuition. Mabel can get these loans more easily and enjoy priority repayment.

3. Scholarships and grants: American universities provide various scholarships and grants to students in need. As an American citizen, Mabel is eligible to apply for these awards to reduce their financial burden during college.

4. Priority admission: In some universities, American citizens can enjoy priority admission. This means that when they apply for a university, they may be admitted more easily than other international students.

5. Campus part-time job opportunities: American universities usually provide students with campus part-time jobs. As an American citizen, Mabel can get these job opportunities more easily and get support in earning living expenses.

6. Medical insurance: American universities usually provide medical insurance for students. As an American citizen, Mabel is entitled to these insurance plans to ensure that they get proper medical care during their college years.

Mabel's strategy of studying in America;

1. Planning in advance: arrange the study abroad plan as early as possible to ensure the completeness and accuracy of the materials. Understanding the process of studying abroad visa in the United States, maintaining a long-term good record and active communication will also help to successfully obtain a study abroad visa.

2. Choose the right school: Choosing the right school is very important. You can learn about the reputation, teaching quality and discipline of the school through various channels, and you can also consider consulting educational experts or intermediaries.

3. Prepare application materials: To apply for an American university, you need to prepare a series of materials, including resumes, letters of recommendation, personal statements, transcripts, language scores, financial certificates, etc. It is suggested to know the specific requirements of each school and institution for application materials in advance and make preparations according to the requirements.

4. Improve language ability: Mabel needs to have a certain level of English to adapt to the study and life of American universities. You can improve your English by taking language courses and preparing for standardized tests.

5. Understand American culture: Before going to school in the United States, it is very necessary to understand American culture and education system. This will help to better integrate into American society and adapt to the new learning and living environment.