History of Bolivia to 1809 reduction in silver output. After 1700 only small amounts of bullion from Upper Peru were shipped to Spain. Kings from the Bourbon Dynasty in Spain tried to reform the colonial economy in the mid-eighteenth century by reviving mining. The Spanish crown provided the financial support necessary to develop deeper shafts, and in 1736 it agreed to lower the tax rate from 20 to 10 percent of the total output. The crown also helped create a minerals purchasing bank, the Banco de San Carlos in 1751 and subsidized the price of mercury to local mines. The foundation of an academy of
Islam during the Ming dynasty is Hajji Noor Deen Mi Guangjiang. Mosque Architecture began to follow traditional Chinese architecture. A good example is the Great Mosque of Xi'an, whose current buildings date from the Ming dynasty. Western Chinese mosques were more likely to incorporate minarets and domes while eastern Chinese mosques were more likely to look like pagodas. In time, the Muslims who were descendants of immigrants from Muslim countries began to speak local dialects and to read in Chinese Language. In Qinghai, the Salar Muslims voluntarily came under Ming dynasty rule. The Salar clan leaders each capitulated to the Ming dynasty around 1370. The