The abolition of it was called for equally by morality and sound policy.

Mr.Canning exposed the folly of Mr.Dundas, who had said, that as Parliament had in the year 1787 left the abolition to the colonial assemblies, it ought not to be taken out of their hands.

This great event, he observed, could only be accomplished in two ways; either by these assemblies, or by the Parliament of England.
Now the members of the assembly of Jamaica had professed, that they would never abolish the trade.

Was it not therefore idle to rely upon them for the accomplishment of it?
He then took a very comprehensive view of the arguments, which had been offered in the course of the debate, and was severe upon the planters in the House, who, he said, had brought into familiar use certain expressions, with no other view than to throw a veil over their odious system.

Among these was--their right to import labourers.
But never was the word "labourers" so prostituted, as when it was used for slaves.