question about Holy Roman Empire!?

Question

This was used in the sentence...

In the 11th Century, a serious quarrel broke out between the Pope and ruler of Germany(Holy Roman Empire), which came to be known as________

Answer 1

Which became known as the "Investiture Controversy" this was because Pope Gregory the seventh banned the then Emperor Henry the fourth

Answer 2

the Investiture Controversy


The Investiture Controversy, also known as the lay investiture controversy, was the most significant conflict between secular and religious powers in medieval Europe. It began as a dispute in the 11th century between the Holy Roman Emperor and the Gregorian Papacy concerning who would control appointments of church officials (investiture). The controversy, undercutting the Imperial power established by the Salian Emperors, would eventually lead to nearly fifty years of civil war in Germany, the triumph of the great dukes and abbots, and the disintegration of the German empire, a condition from which it would not recover until the unification of Germany in the 19th century.

Answer 3

The Investiture Controversy, also known as the lay investiture controversy.

Answer 4

the crusades

Answer 5

Otto III ?