Venezuela's parliament has approved handing the US control of a fifth of its oil reserves, cementing Washington's grip on a government it helped install after toppling President Nicolas Maduro in January.

Venezuela assures citizens it retains sovereignty over its oil despite a new deal granting the US significant access to its reserves. Learn more about the

The United States will have majority control of 65 billion barrels of Venezuela's proven reserves in what President Donald Trump described Friday as "the biggest oil deal in world…