text: [13] He also assigned two great co-operating reasons for rejecting slave-grown sugar:--"That the people of England required the great experiment of emancipation to be fairly tried; and they would _not_ think it fairly tried if at this moment when the colonies were struggling with such difficulties we were to open the floodgates of a foreign supply and inundate the British market with sugar the produce of slave-labour;" adopting the very words of the Whig Vice-President of the Board of Trade Mr Labouchere on the 25th June 1840