Answer:
Most peasants had been freed from serfdom and were improving their economic situation. please brainliest would be very nice :). Have a great day!
Explanation:
1.discovery of iron
2.the use of iron weapons
I believe it is letter D. sanctions
"After the Protestant Reformation, these independent states became divided between Catholic and Protestant rulership, giving rise to conflict. The Peace of Augsburg (1555), signed by Charles V, Holy Roman Emperor, ended the war between German Lutherans and Catholics."