President Donald Trump's renewed interest in acquiring Greenland from Denmark fits into a long, little-known pattern in U.S. history. From quiet discussions after the Civil War to a $100 million offer in the wake of World War II, American leaders have repeatedly seen Greenland as a strategic prize. Here's a look: 1867–1868: Early US interest after the Alaska purchase After the U.S. bought Alaska from Russia, officials under Secretary of State William Seward discussed acquiring Greenland as part of a broader push into the Arctic. Seward noted the territory was rich in natural resources, including coal. But the idea never...