Uniform for the whole country, and subsequently for many countries, measures of length and weight were introduced by a special decree in 1795. Prier said well in his report to the Convention:... "the reform of weights and measures, on the one hand, relies on the most accurate that is contained in mathematics and physics, and at the same time is proof of the successes they have achieved and a means for their further improvement; on the other hand, they descend to the very depths of civic life."