Yes, you should get another I-797A if you leave the country and plan to re-enter the United States. This document serves as proof of your legal status and authorization to work in the country. It is important to have it with you when traveling to avoid any issues at the border.
When people leave their country to live in another country, it is called emigration.
When you leave a country it is called emigration.When you arrive in a country it is called immigration.
Emigration is the act of leaving ones natural country for residency in another country. Immigration is the act of leaving ones natural country for citizenship of another country.
immigrants
People who leave one country or region to settle in another are called "migrants." More specifically, if they move to another country with the intention of permanently residing there, they may be referred to as "immigrants." Conversely, those who leave their home country are known as "emigrants."
That is to emigrate
If you are in Japan, it is not the custom to leave a tip and if you do it may be considered offensive. If you are in another country, you should follow the rules of etiquette of that country. For example, in the United States it is customary to tip (generally) 15 - 20% for good service.
People who leave a country to live in another country are commonly referred to as "immigrants." They may migrate for various reasons, including seeking better economic opportunities, escaping conflict or persecution, or reuniting with family. Conversely, those who leave their home country to settle permanently in another country are also sometimes called "expats" or "expatriates."
Immigrate
Immigrants
native
Yes, you generally need a passport to leave the US and enter another country.