Thread by @BBCWorld

Every four years, the world watches the US election

Donald Trump won in 2016 – now he’s in a close race with Joe Biden

Whoever wins will shape America’s foreign policy and the global economy

So what has changed since 2016?

[Thread] 👇 bbc.in/3mtsi4L

President Trump has repeatedly declared the US "the greatest country in the world"

But in many European countries, the percentage of the public with a positive view of America is at its lowest in almost 20 years bbc.in/3mtsi4L

Donald Trump announced the US would quit the Paris climate deal

America’s exit takes effect on 4 November, the day after the election

Joe Biden has pledged to rejoin the pact if he wins bbc.in/3mtsi4L

The number of immigrants living in the US has continued to rise under Trump

But he also banned travellers from seven Muslim-majority countries

Currently, 13 nations are subject to tight travel restrictions bbc.in/3mtsi4L

Trump promised he would end America's “endless wars” in the Middle East

Trump has reduced the number of US troops, but they are still everywhere they were the day he took office bbc.in/3mtsi4L

Biden welcomed President Trump's agreement between Israel and the United Arab Emirates

But he is unlikely to adopt the Trump administration's policies towards the occupied West Bank

He would also end US support for the Saudi-led war in Yemen

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On his first day in office, Trump dumped the Trans-Pacific Partnership, a 12-nation trade deal approved by President Obama

He then entered a bitter trade war with China

The nations imposed hundreds of billions of dollars in taxes on each other's goods

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Trump pulled the US from an Obama-era nuclear agreement with Iran

Joe Biden says he's prepared to rejoin the international accord

The deal gave Iran sanctions relief in exchange for scaling down its nuclear programme

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In January, the US assassinated Qasem Suleimani, Iran's most powerful general

Iran retaliated, and more than 100 US troops were injured

176 civilians also died when Iran’s military mistakenly shot down a Ukrainian passenger jet

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Will their policies abroad impact next Tuesday’s election?

Here’s how Biden and Trump are polling in the race for the White House

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