pbr Fifa powerbroker Jack Warner has handed England's 2018 World Cup bid a significant boost after meeting Prime Minister David Cameron by praising English football's international development work.br ppbr Warner had a 20-minute meeting in a suite in Zurich's Baur au Lac hotel at which England 2018's David Dein was also present.br ppbr The Fifa vice-president, who is also a senior government minister in his native Trinidad, talked about the changing global political climate as well as England's bid.br ppbr Warner said: "The British Prime Minister understands the importance and power of football. He reiterated his government's commitment to the World Cup and spoke extensively about England's legacy programme.br ppbr "A World Cup isn't a one-off event. It is an investment in a country and its people. It is an event which must be seen as a catalyst for social transformation in any nation. The power of football to unite the world can never and should never be underestimated.br ppbr "Prime Minister Cameron articulated and reaffirmed England's support to the developing football nations. Over the last decade England has supported not only CONCACAF but all federations in their development activities and I must commend the Prime Minister and the FA for that."br ppbr Cameron also met Fifa executive committee members Marios Lefkaritis and Mohammed bin Hammam as well as the Emir of Qatar. After meeting Cameron, Warner spoke to USA president Barack Obama on the phone and guaranteed his support for USA's 2022 bid.