The extractive industry consists of any operations that remove metals, mineral and aggregates from the earth. Examples of extractive processes include oil and gas extraction, mining, dredging and quarrying.

Whether the variation of the rates of value of labor in the two countries was made to facilitate the organization of a decimal currency, (which, by the by, however good in itself, has always proved discordant and cumbersome when applied to the reained octave subdivisions of weights and measures, which also should have been, and ought to be made decimal,) or whether it proceeded from the intention of influencing the importation and retention of a greater quantity of gold for circulation, which was counteracted by the other nations appropriating the difference in premiums to themselves, the addition of the four cents, as extra compensation to gold diggers, would result in a great loss to the exporting States by the nine per cent, difference being added to the invoice cost of the imports that are received as payments for the exports, unless recounteracted by alloys in American coin.

That's just a bare assertion.

It was a source of murmuring discontent to her, in the first years of an intelligent girlhood, to feel how entirely they (for it was always 'they' in her thought) had been shut out from the fairer social world, the victims of she scarcely knew what, but helpless in that victimage, and utterly weak to master circumstances.