Directly directed against the misconceptions of Weston, a member of the International, who claimed that raising wages could not improve the condition of workers and that the actions of the Trade Unions had to be considered pernicious, this report struck a blow at the same time at the Proudhonians and also at the Lassallians, who had a negative attitude towards the economic struggle of workers and trade unions.

First published as a separate pamphlet in London in 1898. Transcribed from the Portuguese edition of the Selected Works of Marx and Engels published in 1953 by Ediciones en Lenguas Extranjeras, Moscow.