Following the Civil War, the US...
While the British worried about the...
US expansionism, its purchase of...
In Japan, the instability which had...
Canada quickly expanded as Britain...
The threat posed by the Alaska...
While the Canadians were expanding...
In 1874, gold was discovered in the...
By the 1870s polar exploration was...
In the Canadian northwest, tensions...
By 1890, American Indian resistance...
For more than a century, Denmark's...
