[...] Different productivities of labour according to natural differences (e.g., cheap food from fertile land in a favourable climate), the different definitions of wants, needs and desires according to natural and cultural situation and the dynamics of class struggles, mean that the equalisation of the rate of profit will not be accompanied by an equalisation of the rate of exploitation between countries. In the event of trade between countries, 'the privileged country receives more labour in exchange for less, even though this difference, the excess is pocketed by a particular class, just as in the exchange between labour and capital in general'. [...]