Answer:
Correct answers are:
Civil War
Peter The Great
Thirty Years war
Step-by-step explanation:
Civil war in England was a major conflict between the supporters of the King and Stuart dynasty and Parliament, that was led by Oliver Cromwell. Eventually, Cromwell and Parliament defeated the Stuarts and established the Republic.
Peter The Great is regarded as the greatest Russian leader, who expanded the territory towards the Baltic sea, but also reformed and modernized the institutions in the country.
Thirty Years war was the last great religious conflict in Europe, that ended with peace treaty in Westphalia. It redraw the boundaries of Europe for a long period of time.