One of the things VAR (Video Assistant Referee) helps officials do is determine penalties and ensure no clearly wrong decisions are made. VAR recommends to the ref when a incident should be reviewed. The ref can either act on the advice of VAR or review the video footage before accepting or rejecting the advice. In the World Cup final, VAR intervened and alerted the ref to the possibility of a foul against Alex Morgan, leading to this match winning moment (spoiler alert: USWNT won):