How did the Cold War ultimately impact Russia’s ability to maintain its power globally?

Which of the following was a similarity between classical mesoamerican and south american civilizations ?

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu, his summer palace

(05.04 mc) how did the roman transportation system keep the empire strong? plz