Want a Rules-Based Order for the Indo-Pacific? Start With Diego Garcia. The U.S. pushing for the divesting of colonialism in the Chagos Archipelago would be a good place to begin. By January 08, 2021 Advertisement For the past several years, it has been official U.S. policy to support a “rules-based order” in the Indo-Pacific. These words rang hollow while Donald Trump occupied the White House. Joe Biden, however, has a chance to turn the rhetoric into reality. He should begin by removing one of the most egregious instances of hypocrisy and rule-breaking in the region: America’s support for British control of the Chagos Archipelago.