The Rebirth of Danish Imperialism?
"The month-long Danish expedition will study the Lomonosov Ridge. Russia believes the underwater feature is linked to its territory.
"Denmark will investigate the ridge to see if it is geologically connected to Greenland, a Danish territory."
About the last time Denmark featured in the annals of imperialism was 1917 when the U.S. bought the Danish West Indies for $25 million and promptly enforced strict racial segregation in what had now become the American Virgin Islands. The African slaves had been emancipated in 1848. Somehow I doubt if all this was explained in your high school history class. A good source is Julius William Pratt's America’s Colonial Experiment: How the United States Gained, Governed, and in Part Gave Away a Colonial Empire (1950/1964). Pratt (1888-1983) taught at Cornell and was a distinguished historian of American diplomacy.
The same news story informs us that"Canada and the US are also engaged in a dispute over the future of the Northwest Passage, the partially frozen waterway that links the Atlantic and Pacific oceans." Casus belli, anyone?