What is an American immigration director?

(This is very troublesome for him) And if you stay overseas for more than 6 months and less than 1 year, then when the immigration officer thinks that you don't need to live in the United States for a long time and want to cancel your green card, you have the responsibility to obtain evidence to prove that you have no intention of giving up your green card. "Immigration supervision" is a vivid metaphor. For example, if you want to immigrate to a country, you can't leave the country for a long time (short time) like a prison, because if you leave the country for a long time, you can't apply for naturalization or lose your immigration status. Simply put, you have an American green card. It is best to land in the United States every 180 days, regardless of time, even if you leave the country in 3-5 days. If you live in the United States for more than two and a half years within five years, you can apply for American citizenship, which means canceling immigration supervision.