Biden had promised to end new oil drilling on federal land. But ConocoPhillips has held leases to drill from the region since the late 1990s, which the president and legal experts said limited his ability to reject the project. He also faced strong political pressure to approve it from key lawmakers in Alaska.
I didnt know this context. ~~Did he promise this before or after selling the rights to the rest of our untapped oil spots around the US coast?~~