Christopher Columbus discovers America
A. When the previous president has resigned his previous post
b. When the previous president had died from sickness
If either these two situations would occur then the vice president will take his place as the new president of the country.
In Europe, during the 18th century, the classic non-national states were the multiethnic empires, the Austrian Empire, Kingdom of France, Kingdom of Hungary, the Russian Empire, the Ottoman Empire, the British Empire and smaller nations at what would now be called sub-state level.
Answer:
Tension between Japan and the United States increased dramatically when Japan seized French Indo-China (now Vietnam) in July 1941. Japanese troops poured into Indo-China, and the Japanese military began preparations to attack the Philippines and British and Dutch colonial possessions in South-East Asia.