<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> From 1778 to 1871, the United States government entered into more than 500 treaties with the Native American tribes; all of these treaties have since been violated in some way or outright broken by the US government, while at least one treaty was violated or broken by Native American tribes . However, violations by one party do not nullify the treaties under US law; the treaties still have legal effect today, and Native Americans and First Nations peoples are still fighting for their treaty rights in federal courts and at the United Nations . </P> <P> In addition to treaties, which are ratified by the US Senate and signed by the US President, there were also Acts of Congress and Executive Orders which dealt with land agreements . The U.S. military and representatives of a tribe, or sub unit of a tribe, signed documents which were understood at the time to be treaties, rather than armistices, ceasefires and truces . </P>

Approximately how many treaties were made with tribes in the u.s