Capture of Atahualpa - The Spanish Inquisition - One Minute History

Atahualpa, the new Incan Emperor, is invited by Pizarro to a feast in Cajamarca. Despite defeating his half-brother and ending the Incan Civil War, Atahualpa is unafraid of Pizarro's small force and agrees to meet. During the meeting, a confrontation occurs when Atahualpa rejects conversion to Christianity. Pizarro seizes the moment to ambush the Incas, resulting in a massacre. Atahualpa is captured and held for ransom, but is eventually executed after being accused of inciting rebellion, marking a significant event in the Spanish conquest of the Incan Empire.

What was the significance of Atahualpa's defeat of his half brother's army?

What was the fate of Atahualpa after being accused of inciting a rebellion?