In 1826 Russian troops encroached on...
In 1830, there were still five large...
In February 1879 Chile had seized...
In April 1885 the United States...
By 1890, American Indian resistance...
Political disputes between the...
Long unstable, Colombia collapsed...
The Spanish-American War gave the US...
In 1902, the United States purchased...
The American gains against Spain...
The scramble for resources,...
After ten years construction, the...
Following the War, the US and Japan...
In 1922, Colombia and Peru signed...
Following the Japanese attack on...