What is caused by an increase of stability in a helicopter?

Question

Question PPL(H) - Private Pilot License - Principles of Flight (Helicopter)

QuizVDS · Accepted Answer

A relief of the pilot in command

QuizVDS · Answer

A decrease of the required control forces

QuizVDS · Answer

An enhance of control under all load factors

QuizVDS · Answer

An optimization of the maximum helicopter mass

Id 730 - PPL(H) EN - What is caused by an increase of stability in a helicopter?