How did Pachacuti Inca become the ruler of Cuzco

According to the semi-legendary early history of the Incas, Pachacuti rose to prominence when their war-like neighbours, the Chanca, attacked Cuzco in the early 15th century CE. The Inca ruler at the time, Viracocha Inca, and his son Inca Urco proved ineffectual in meeting this threat and fled the city.

Explanation:

its wrong ;)

Explanation:

i believe your answer is d)

d.

the northwest territory became the most densely populated area in the u.s.