The power to provides a way of bringing charges against the president for any high crimes and misdemeanors committed while in office

The answer would be : The power to Impeach
The power to impeach refer to the power of civilian to charge against the holder of public office for any type of misconduct such as fraud, corruption, etc.

Al-biruni saw Hindus and Muslims as complete opposites. They differed in language, customs, religions, and manners. He studied without bias, and was therefore able to see that the hatred of Hindus was due to a lack of understanding of different values.