15. The Roman Catholic Church issued a decree in 1080 CE. It was directed at the Holy Roman Emperor Henry IV, who was appointing religious officials without approval from the church. The decree stated that any non-religious power or person who appointed church officials would be excommunicated from the church. It also warned rulers that such actions would displease God and result in suffering. How did this church decree affect the actions of European monarchs? (1 point)

European monarchs appointed bishops to political offices.
European monarchs removed church leaders.
The decree allowed monarchs to be appointed as bishops.
The decree weakened the power of European monarchs.

The decree weakened the power of European monarchs.