A Football Association delegation toured Leeds this week as part of their nationwide tour of 15 cities bidding to be hosts, visiting Elland Road, United's Thorp Arch training base, the John Charles Centre for Sport, Leeds Metropolitan University's Headingley campus and the University of Leeds' Weetwood facilities, which could all potentially be used by countries based in the city.
Harvey said: "The Leeds city region has the facilities, passion, fans and ambition to be a magnificent host city.
"The FA's delegation saw some of the best of what Yorkshire can offer, including an internationally recognised football stadium, world-class training facilities and some of the best outdoor spaces in the country.
"What we need now is for everybody to show their support for this once-in-a-lifetime opportunity and vote for Leeds at backthebidleeds.com."
It has been proposed that improvements would be made to Elland Road stadium so it would be capable of hosting World Cup matches up to and including a quarter-final.