Puerto Rico no tiene lagos

Which constitutional amendment resulted in part from unconventional forms of participation in the 1970s?

Where did zebulon pike spend most of his time exploring?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies