When did martin luther king, jr. deliver his "i have a dream" speech?

when he was attending the march on washington

when he was leading peaceful protests in the south

when he was studying for his doctorate in theology

a month before his death

What made the settlement of oklahoma territory different from that of other territories

Which of the following would an isolationist support?

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