Did you need a visa to go abroad during the Republic of China in history?

On the eve of World War II, German fascists raided and slaughtered Jews. There is also a wave of anti-Semitism around the world. China diplomats were very sympathetic to the sufferings of the Jews and decided to grant them visas and let them immigrate to China. His deeds caused a sensation in Europe.

Visa refers to the procedure of endorsement and seal of passports or other travel documents held by domestic or foreign citizens by the sovereign organs of a country to show that they are allowed to enter, exit or transit. It can also be said that it is an endorsement certificate issued to them. Generally speaking, a visa is a document issued by a country's entry-exit administration (such as immigration bureau or its embassy or consulate abroad) to approve the entry of foreign citizens.