Explain in your own words why wilson couldn't get his own congress to approve his treaty of versailles.

First of all the the U.S. wasn't part of the League of Nations. In fact they refused to lol XD.

But in short since the U.S. wasn't a part of the Treaty of Versailles, the Senate objected the idea of approving the treaty.

hope this helps! :D

c. the dred scott v. sandford case,