From a "non-believer" into politics, Trump has left a legacy with "blackened" by failure, according to experts.

On January 20, 2017, billionaire and reality TV star Donald Trump was sworn in in Washington, Washington, becoming the 45th President of the United States.

In pursuit of the pledge "Bringing America Great Again" and "America First", seen as the "launch pad" to bring him to the White House, during the past four years, Trump has reversed a series of policies under his

Experts say Trump has fulfilled his campaign promises, such as preventing US companies from transferring jobs abroad, cutting corporate taxes, completing more than 700 km of border walls and reforming the import system.

In the first three years of its term, the US grew at an average rate of 2.5%, an increase that is considered quite solid if not rare.

Besides domestic policies, many experts say Trump's biggest legacy is the shaping of foreign policy confronting China, viewing Beijing as a growing geopolitical threat to China.

"Trump can be credited as setting the front for fierce power competition in all areas and seeing this as the focus of US foreign policy. The moves to force his successor Joe Biden to maintain the way.

Derek Grossman, senior defense analyst at the US center for global policy research RAND Corporation, shared that the confrontation policy against China is one of the Trump administration's hallmarks.

"When it comes to Trump's tenure, I would like to limit my assessment of his Indo-Pacific policy," Grossman said.

In the midst of increasingly slumping US-China relations and even being pushed to the brink of the Cold War, many analysts say it is difficult for the new Biden administration to reverse this foreign policy.

Trump has repeatedly asserted that "no administration" is more tough on China than his own and that he had "the greatest first term in presidential history".

However, this statement by Trump is difficult to get the approval of many voters, politicians and analysts in the US, including Charles R Hankla, associate professor of political science at State University.

"Trump's greatest harm is his role in undermining American political institutions with lies and standard-breaking. The dreadful consequence is the Capitol Hill riots," the deputy said.

The Riot on Capitol Hill on January 6, when the US congress met to confirm Joe Biden's victory, shocked the United States and the world.

Many politicians and analysts have condemned the violence as "coup", "unprecedented violence and destruction", or "disgrace" of America.

"The Capitol Hill rebellion has undermined the tradition of peaceful transfer of power that is typical of American democracy, while reducing Washington's prestige and soft power," said Pitlo III.

The attack on the US parliament building was like a "drop of water", prompting House Democrats to immediately accelerate their attempt to consider dismissing Trump for a second time in 13 months.

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In addition, experts added that Trump unilaterally withdrew from many international agreements and organizations such as the Trans-Atlantic Partnership (TPP), the Paris Agreement on climate change, the Iran nuclear agreement (

"Trump's disregard for globalization and regionalism undermines America's role in leading global consensus on a wide range of issues from trade to the environment," Pitlo III said.

The US has lost much of the support of European allies such as Britain, France, and Germany under Trump.

"When Trump threatens a trade war or reconsiders the value that his allies and partners bring, he is undermining his own strategy. The decision to withdraw from the TPP is another unfortunate testament to that.

The long list of failures during the Trump term will probably be lacking without mentioning Covid-19, one of the factors that stopped Trump's re-election.

The consequence is not only Trump's defeat, his administration's poor handling of the pandemic that has cost the US a high price.

"Trump will be considered one of the worst presidents in US history," said assistant professor Hankla.