How many people were living in the valley of Mexico by 1500 a. d?

According to the qianlong emperor, why was china not interested in importing anything else?

The congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defence and general welfare of the united states . .; to borrow money on the credit of the united states; to regulate commerce with foreign nations, and among the several states, and with the indian tribes. —constitution of the united states, article i, section 8 which of these are expressed powers granted by this part of article i, section 8? check all that apply. lay and collect taxes and duties pay debts regulate american indian groups regulate commerce within states borrow money regulate commerce with foreign nations

Which religious movement was joined by organized labor to improve work-related concerns? second great awakening social gospel movement first great awakening christian fundamentalism