Which statements describe aspects of the inca's civilization?

choose all answers that are correct.

a.
knotted strings called khipu recorded numbers.

b.
runners allowed villages and cities throughout the empire to communicate quickly with rulers far away.

c.
conquered peoples hated their new rulers and eventually defeat them.

d.
its capital city had a population larger than any european city of the time.

A)Knotted strings called khipu recorded numbers.

B) Runners allowed villages and cities throughout the empire to communicate quickly with rulers far away.

Explanation:

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

what are local authorities doing to fix the problem

explanation:

what are local authorities doing to fix the problem