Complex sentence: Captaincy General (sp. Capitanía General) a division of a viceroyalty in colonial Spanish-America and Spanish-Philippines established in areas under risk of foreign invasion or Indian attack and governed by a Captain General, basically a military officer with plenipotentiary civilian powers and authority.
Split into simpler sentences: Captaincy General (from the Spanish "Capitanía General") is a division of a viceroyalty in colonial Spanish-America and the Spanish-Philippines, established in areas under risk of foreign invasion or Indian attack. The Captaincy General is governed by a Captain General who is basically a military officer with plenipotentiary civilian powers and authority.