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in the early 1900s
Germany and Great Britain were deeply involved in a naval rivalry in the early 1900s.
Boer War
Military threats drastically reduced in the early 1900s because nations started collaborating more and international laws started to take shape. The formation of the league of nations came up as a result of those 1900s laws.
See Boxer Rebellion.
The Boxers from the 1900s were one such group.
development of the internal combustion engine.
The Boxer Rebellion is the movement from the 1900s that was known as the rebellion of the Chinese people in response to Imperialism. Foreign missionaries and Chinese Christians were attacked throughout Northern China.
Development of the internal combustion engine
development of the internal combustion engine.
The development of the internal combustion engine
The bay of pigs & the 9/11 attack
Haiti and the Dominican Republic had internal political and economic problems.
factory owners
By early 1900s Iran's (aka "Persia") government controlled by the Qajar royal dynasty of Iranian feudal landowners had handed out telegraphy, railroad and other commercial concessions to British and Russian business people