As President TrumpDonald John TrumpWarren unveils Native American policy plan Live-action 'Mulan' star spurs calls for boycott with support of Hong Kong police Don't let other countries unfairly tax America's most innovative companies MORE dug in this week on his attacks on a group of minority freshman lawmakers, Twitter users compared him to his predecessor by using the hashtag #ObamaWasBetterAt.

The hashtag was the top trending phrase in the U.S. as of Tuesday morning, with nearly 50,000 tweets proclaiming what people thought former President Obama did better than Trump. 

While supporters of Obama boasted that he was better than Trump at "executive leadership," "marriage" and "being a human being," pro-Trump Twitter users also used the hashtag to suggest that Obama was better at "caving to terrorists" and "lying to the American people."

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Trump sparked a political firestorm this week after tweeting Sunday that a group of four nonwhite lawmakers should "go back and help fix the totally broken and crime infested places from which they came."

The tweet was aimed at four freshman congresswomen: Democratic Reps. Ilhan OmarIlhan OmarTlaib says she won't visit Israel after being treated like 'a criminal' The Hill's Morning Report — Trump and the new Israel-'squad' controversy Israel approves Tlaib request to visit grandmother in West Bank MORE (Minn.), Rashida TlaibRashida Harbi TlaibTlaib says she won't visit Israel after being treated like 'a criminal' The Hill's Morning Report — Trump and the new Israel-'squad' controversy Israel approves Tlaib request to visit grandmother in West Bank MORE (Mich.), Alexandria Ocasio-CortezAlexandria Ocasio-CortezOcasio-Cortez brushes off Trump tweet claiming she is 'fuming' over Tlaib, Omar attention Trump finds consistent foil in 'Squad' The Hill's Morning Report — Trump and the new Israel-'squad' controversy MORE (N.Y.) and Ayanna PressleyAyanna PressleySen. Susan Collins: Israel should allow Omar, Tlaib to visit Ocasio-Cortez: Netanyahu sending message 'only some Americans are welcome to Israel' Pelosi: Israel's Omar-Tlaib decision 'a sign of weakness' MORE (Mass.). All four are U.S. citizens, and only Omar was born outside the U.S. 

Many Democrats and a handful of Republicans slammed the tweet as racist, and the House is expected to vote Tuesday on a resolution to condemn the president's comments. 

The president continued his criticism of the women on Tuesday, accusing them in a tweet of "spewing some of the most vile, hateful, and disgusting things ever said by a politician."