Answer:
Francisco Pizarro
After years of preliminary exploration and military skirmishes, 168 Spanish soldiers under conquistador Francisco Pizarro, his brothers, and their native allies captured the Sapa Inca Atahualpa in the 1532 Battle of Cajamarca.
His desire to protect south vietnam in the war as they reached the modernized stage of their economic growth.
They had problems with nomads that resented the romans