In three years 2018 through 2020 Trump increased the debt by 6.7 trillion. 4.2 trillion in 2020 alone vs 1.4 trillion in 2021 by Biden. The debt to GDP increase in 2020 was by far the largest in history. The Trump Cult preaching economics is just a bad joke.
They did and the same policy is still in effect, so ordered by the courts. It isn't just the US, Europe is experiencing the same thing because of conditions in Africa and the Middle East. With climate change and the rise of oppressive governments, we are just seeing the beginning of what will be the largest human migration in millennia.
Trump did his best to alienate his allies, leaving the Fat Kim's, Xi's and Putins of the world to think they can get away with whatever they want. The bright side is the invasion of Ukraine has done more to unite the western alliance than Trump did to destroy it.