MSNBC host Joe Scarborough on Tuesday accused President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE and the GOP of using "racism" as their closing argument before the midterm elections.

He said Trump has been using the so-called migrant "caravan" to stoke xenophobic and anti-immigrant anxieties, and further cited the president's Tuesday morning statement that he will seek to end birthright citizenship for the children of non-citizens.

"Isn’t it something that every president, every campaign will have their closing arguments," Scarborough said in a lengthy monologue on MSNBC's "Morning Joe."

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"Now normal times, the Republicans would use that tax cut that they passed," he continued. "That was supposed to be their closing argument. Or perhaps the Supreme Court justices. You could go down the line of things you would expect. The economy."

"But what Donald Trump and what the Republican party - that has now been completely taken over by Donald Trump - is using is racism," he said. Scarborough is a former GOP congressman who has since left the party.

Scarborough added that he believes Trump "knows" he cannot circumvent the 14th Amendment using an executive order, as he pledged to do in the Tuesday interview with Axios.

"He’s hoping there are enough stupid voters out there who don’t understand he can’t do that," the MSNBC host said.

The 14th Amendment states that all persons "born or naturalized in the United States" are "citizens of the United States and of the State wherein they reside."

Trump in the past week has zeroed in on the issue of the migrant "caravan," a group of thousands of Central Americans heading towards the Southern border. The migrants are currently more than a thousand miles away and likely won't arrive at the U.S.-Mexico border for another two months, according to multiple reports.

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Trump has called the group of migrants an "invasion" and last week requested the deployment of U.S. troops at the border ahead of their arrival.

The U.S. military announced on Monday that it will send more than 5,200 active duty troops to the U.S. border with Mexico by the end of the week.

The president said during a Monday night interview with Fox News's Laura Ingraham that the administration will create "tent cities" to hold the migrants as they seek asylum.

Reports have indicated the migrants are largely fleeing violence and rampant poverty in their home countries.

Critics have accused the president of drawing on xenophobic and racist images in an effort to frighten the electorate ahead of Election Day.

Fox News's Shep Smith made this argument on Monday afternoon.

"Tomorrow the migrants, according to Fox News reporting, are more than two months away, if any of them actually come here," Smith said on air. "But tomorrow is one week before the midterm election, which is what all of this is about."

"There is no invasion," he added. "No one’s coming to get you. There’s nothing at all to worry about."