The following is the Aug. 14, 2021 Congressional Research Service Infocus report, Russia: Foreign Policy and U.S. Relations.
From the report
Since Russian President Vladimir Putin’s rise to leadership more than 20 years ago, tensions have increased steadily between Russia and the United States. Some observers attribute Russian foreign policy actions to the personality and individual interests of Putin and certain hawkish advisers. Some contend Russian authorities are focused mainly on reclaiming...
https://news.usni.org/2021/04/15/report-to-congress-on-russian-foreign-policy