The bearer of an official document known as a visa is lawfully granted permission to enter a foreign nation. The visa is often either stamped or affixed with glue to the bearer's passport. There are several distinct visas, and the holder of each …

The relationship between an individual and a state, in which the individual owes allegiance and, in return, is entitled to the protection of the state, is known as citizenship. Each state is responsible for determining the criteria under which it …