File photo taken on Sept. 3, 2020 shows then U.S. President Donald Trump participating in a campaign rally in Latrobe, Pennsylvania, the United States. (Xinhua/Liu Jie)

Trump claimed that the Biden administration "has had the most disastrous first month of any president in modern history," labeling the Biden administration as "anti-jobs, anti-family, anti-borders, anti-energy, anti-women and anti-science."

WASHINGTON, March 1  -- In his first public speech Sunday since leaving office, former U.S. President Donald Trump assailed Joe Biden' leadership as president so far, vowed to further unite and strengthen the Republican Party and hinted at a possible presidential run in 2024.

BASHING BIDEN PRESIDENCY

Addressing the Conservative Political Action Conference (CPAC) in Orlando, Florida, Trump claimed that the Biden administration "has had the most disastrous first month of any president in modern history," labeling the Biden administration as "anti-jobs, anti-family, anti-borders, anti-energy, anti-women and anti-science."

Pointing specifically to what he said was his successor's "immoral" immigration policies, Trump said Biden's decision to halt the construction of a wall along the U.S.-Mexico border triggered "a self-inflicted humanitarian and national security disaster."

The former president urged Biden to "get the schools open right now," even at a time when how to safely reopen schools is still a subject of heated debate and when the country is facing potentially more lethal coronavirus variants.

He also took credit for the current vaccine rollout, saying what the Biden administration has been doing is to build upon his administration's legacy. "Never let them forget this was us. We did this," Trump said of the Biden administration, which upon assuming office complained about having to start from scratch with regard to vaccine development.