特朗普发图暗示吞并格陵兰岛

Group 1 - The article discusses President Trump's recent hints at the annexation of Greenland, a territory of Denmark, through social media posts [1][4] - Trump emphasized that historical claims do not equate to ownership, stating that a ship's visit 500 years ago does not grant Denmark property rights over Greenland [4] - The article mentions a phone conversation between Trump and NATO Secretary General Jens Stoltenberg regarding the Greenland issue, which Trump described as pleasant [4] Group 2 - Trump shared an edited image on social media showing a map with the United States flag over Greenland, Canada, and Venezuela, suggesting a territorial claim [4]