When the philadelphia city council decided that rats and skateboarders were a nuisance and had to be?

Tribal sovereignty in the United States is the concept of the inherent authority of indigenous tribes to govern themselves within the borders of the United States. Currently, 573 sovereign tribal nations (variously called tribes, nations, bands, pueblos, communities, and Native villages) have a formal nation-to-nation relationship with the US government. These tribal governments are legally defined as “federally recognized tribes.” Two-hundred-and-twenty-nine of these tribal nations are located in Alaska; the remaining tribes are located in 35 other states. In total, tribal governments exercise jurisdiction over lands that would make Indian Country the fourth largest state in the nation.

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.