House Freedom Caucus Chairman Mark Meadows said Monday that a government shutdown is highly possible if proper funding for the U.S.-Mexico border wall is not included in a spending bill.

According to Meadows, conservatives will block any spending bill that does not include border wall funding, and many conservative members won’t support any funding plan unless it includes provisions for a wall.

“There is nothing more critical that has to be funded than funding the border wall for two reasons,” Meadows said in a phone interview with Breitbart News. “One is it is a commitment that the president made to the American people and one that he intends on keeping, but the second part of that is for our national security we must secure our borders. And the American people will accept no less.”

Meadows had some serious questions for Democrats about their goals, saying that national security must be the number one priority for the U.S.

“If we’ve got Democrats, whether they be in the House or the Senate, that are not willing to put our national security as their very top priority and secure our borders, I think it’s time that we get someone else in that position and that goes regardless of party. National security needs to be priority number one and if you’re willing to play politics with our national security then you have no business serving in the Senate or the House,” Meadows said.

The government funding runs out in September, and if Congress does not pass a bill by Oct. 1, the government will be shut down. (RELATED: GOP Rep Vows To Read King James Bible On The Floor Until Border Wall Is Funded [VIDEO])

“My conversations with the president have led me to believe that there is nothing less than a full and total commitment on his part to only sign into law a funding bill that actually allows for us to start construction of a border wall on our southern border,” Meadows told Breitbart.

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