Which of the following statements discusses how the Holy Roman emperor's political power developed over time? (1 point)
1. The Imperial Diet selected the Holy Roman emperor, giving them considerable power over the princes.
2. The Holy Roman emperor was able to keep the empire centralized under their rule for centuries.
3. The emperor became less influential as princes gained more authority within their principalities.
4. With the Protestant Reformation, the emperor was able to assert their power based on their tie to Catholicism.