Muslim Congresswoman Ilhan Omar has urged fellow lawmakers to oppose a resolution recognizing the Armenian allegations against Turkey, saying first it should clean its own house.

The U.S. Congress first needs to worry about “earlier mass slaughters” committed by the U.S. “like the transatlantic slave trade and Native American genocide,” Democratic Congresswoman Omar told CNN in a statement late Tuesday.

Those “historical crimes against humanity” by the U.S. “took the lives of hundreds of millions of indigenous people,” she added.

Read more: US: Lawmaker urges Congress to face its own 'crimes'