Dual-perspective Columbian Exchange simulation: Tlaxcalan noble or Spanish friar, 1519–1525. Google Apps Script — no subscriptions, no accounts, total data privacy. ─── WHY TEACHERS LOVE THISAPUSH Period 1 usually gets taught through textbook narrative — students read about Cortés and the Aztec collapse from outside, never inside the decisions. This is the first simulation that puts them on BOTH sides: a Tlaxcalan noble in the council building at Ocotelolco AND a Spanish friar working under enco