Barack Obama warned American voters the country’s fate is in their hands Wednesday as Hillary Clinton and Donald Trump’s White House battle went down to the wire.

With six days until the election, the world looked on agog as a surge in support for Clinton’s 70-year-old Republican rival delighted America’s foes, made its allies queasy and spooked financial markets.

“The fate of the republic rests on your shoulders,” the US president warned voters in North Carolina, one of a handful of swing states where the tight race will be decided.

“The fate of the world is teetering and you, North Carolina, are going to have to make sure that we push it in the right direction,” he declared, rallying support for the Democrat Clinton to become his successor.

“I am not on the ballot, but I tell you what. Fairness is on the ballot. Decency is on the ballot. Justice is on the ballot. Progress is on the ballot. Our democracy is on the ballot.”

On Tuesday, Americans will chose between an elaborately-coiffed populist from the world of reality television and a scandal-tainted Democrat vying to be America’s first female president.

The Trump-Clinton choice has left many US voters cold and polling numbers volatile, making it hard to predict who has a lock on the key states that will decide who wins the electoral college.

Clinton remains ahead in most poll-based forecasts, but on Tuesday an ABC News/Washington Post tracking poll gave Trump a narrow lead, sending shock waves through nervous markets.

Trump — a rambunctious real estate mogul — has been hit by scandals that would have sunk a less brazen showman: accused of sexual assault, of not paying taxes and of ties to Russia’s Vladimir Putin and the mob.

But renewed FBI scrutiny of Clinton’s use of a private email server as secretary of state has helped mobilize the Republican’s raucous fan base and underlined public doubts about the Democrat’s trustworthiness.

“With less than a week to go, market opinion is coming to the conclusion that a Trump win would create too much uncertainty and is bad for risk sentiment generally,” said Kit Juckes, analyst at banker Societe Generale.

Jitters

US stocks followed the rest of the world’s markets lower. The Dow fell 0.4 percent and the broader S&P 500 was off 0.7 percent at the close. Earlier major markets in Asia and Europe had tumbled more than one percent.

The dollar continued to slip against the euro, losing 0.3 percent from Tuesday to $1.1093, while the Mexican peso — sensitive to Trump’s threat to build a wall on the country’s US border — lost one percent.

The dramatic tightening in the opinion polls also frightened bookmakers. Ireland’s Paddy Power had already paid out $1 million to punters who bet on Clinton, assuming her victory a foregone conclusion.

But on Wednesday, the firm said 91 percent of bets now favor Trump, whose odds have narrowed.

This week, US Secretary of State John Kerry admitted the campaign has been “downright embarrassing” as he deals with America’s friends and foes abroad, and the latter were in full voice Wednesday.

Iran’s supreme leader Ayatollah Ali Khamenei — whose regime survives by painting America as a comic-book foe — crowed that the “catastrophic reality” of the two candidates “goes beyond what even we were saying.”

In Britain, a giant effigy of Trump wielding the head of his rival Clinton was to be burned during traditional November 5 bonfire night celebrations.

Narrowing path

Back in the United States, the long and often unedifying 2016 White House race is now being fought in a few corners of a few states.

Trump, Clinton and their most prized surrogates have virtually taken up residence in Florida, Ohio and North Carolina.

These three states offer the best chance for both candidates to cross the winning threshold of 270 out of 538 electoral college votes — and to lock out their opponent.

But the two White House hopefuls have also placed some final long-shot bets.

Clinton was to travel to Arizona, which Democrats haven’t won since 1996 when her husband Bill claimed the presidency by a landslide.

An Emerson poll on Wednesday had Clinton losing the state by only four percentage points. But both of its Republican US Senators have opposed Trump, offering the tantalizing prospect of a shock Clinton win.