The goal, then, was not only the transition from the old colonial economic system to that of the modern capitalist, but also from slave labor to free. Other incentives arose, such as the decree of 8 August 1846 that exempted manufactured products from certain transport taxes (internally as well as externally), shielded from military recruitment a specific number of employees of industrial establishments and eliminated tariffs on parts and machinery imported for textile factories. The following year in June, a new decree stated that all industrial establishments on national soil would be free of taxes on imported raw materials. Thus, production costs of domestic industry dropped considerably, allowing it to compete with foreign products. The Alves Branco tariff underwent modification in 1857, reducing to 15% the tax on imported products. Later, under the Rio Branco cabinet at the beginning of the 1870s, the tariff on foreign products was newly raised to 40%, and new raw materials were exempted from import taxes.