Former GOP strategist Steve Schmidt on Tuesday said “America’s decline” is starting under President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE’s leadership.

Schmidt, who publicly left the Republican Party last week, announcing he would vote for Democrats in upcoming elections, said on MSNBC’s “Morning Joe” that Trump is taking steps to undermine the U.S. as a global leader.

“Are we on the edge of a tragedy that will unfold from this?” Schmidt asked. “America’s decline is now beginning and we should make no mistake about this — the U.S.-led liberal global order is in peril, is in threat.”

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Schmidt, a frequent critic of the president, also said Trump is "building a fervor" with the "scapegoating of vulnerable minority populations," and called victimization "the high-octane fuel of Trumpism."

He added that the only requirement to be labeled a conservative is “total obedience to Trump.”

Schmidt made headlines last week when he announced he was leaving the Republican Party. He noted that he had been a registered member of the party for nearly 30 years.

“Today I renounce my membership in the Republican Party. It is fully the party of Trump,” he said at the time.