Answer: It was england because Russia, Prussia, and Austria were Europe's best-known enlightened despots and england had no interest in enlightened monarchy
Explanation:
I believe D I have read about them but I don't quite remember
Answer C: breakup of the USSR
Answer:
Centuriation
Explanation: In ancient Rome, the grid plan method of land measurement was called centuriation. The grid plan dates from antiquity and originated in multiple cultures; some of the earliest planned cities were built using grid plans.