The following is the Jan. 28, 2020 Congressional Research Service report U.S.-China Strategic Competition in South and East China Seas: Background and Issues for Congress.
From the report
In an international security environment described as one of renewed great power competition, the South China Sea (SCS) has emerged as an arena of U.S.-China strategic competition. U.S.-China strategic competition in the SCS forms an element of the Trump Administration’s more confrontational overall approach...
https://news.usni.org/2020/02/04/report-on-u-s-china-competition-in-east-south-china-sea