What was the ultimate goal of perestrokia

They maintained control of their massive territory through an efficient government of administrators. This was mostly a time of peace and prosperity in which people were financially rewarded for their successes

Explanation:

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.