What changes occurred after the reign of terror came to an end

The old social order was dislodged, the monarchy was overthrown and the church was brought under state control. Nationalism spread.

Explanation:

Moderates freed many of the Jacobins' prisoners, neutralized the power of the Committee for Public Safety, and had many of Robespierre's friends killed.

austria

hugary

yugoslavia

czechoslovakia

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.