Lincoln's election served as the main catalyst of the American Civil War. The United States had become increasingly sectionally divided during the 1850s, primarily over extending slavery into the Western territories.
Napoleon ||| invaded and conquered Mexico in 1862, giving control to the monarch Emperor Maximilian. Washington denounced this as a violation of the doctrine but was unable to intervene because of the American Civil War.
From 1405 to 1450, seven major trading trips of the Ming Dynasty led to the opening of many trade routes, connecting not only China but all of Asia with the Muslim countries of the Middle East and many African countries. These trips were under the command of the Emperor Zhu Di, and would allow the Chinese to explore new territories and thus be able to establish trade and diplomatic agreements with kings and emperors of distant lands. The fleet was built great and full of treasures on the ships, along with many ambassadors, with the intention of astonishing the kings of the lands visited and earning their tributes. Historically, journeys of the Ming dynasty travel served as a first way of uniting Asia, the Middle East and Africa, as well as the exchange of different materials, customs and technologies, along those journeys.