Escalation of the Chichimeca War in the 1570s

Timeline

1. 1571–1574Zacatecas · Zacatecas StateAfter Martín Enríquez became viceroy of New Spain, he increased northern military investment, building forts along the silver-mine routes and dispatching expeditions to suppress Chichimec raids on trade routes and mining districts; the intensity of the war rose markedly.
2. 1575–1579North of Guanajuato · MexicoAlongside continued military operations, Enríquez pursued the 'peace purchase' (compra de pac), using clothing, food, and bounties to win over tribal leaders, and established congregaciones to settle nomadic populations, entering a new phase of combined military and diplomatic warfare.