What structure of the brain connects the cerebellum to other parts of the brain

The brain stem sits above the spinal cord and has many connections. The brain stem is made up of medulla, pons, cerebellum, midbrain, hypothalamus and thalamus. So your answer would be “brain stem”

Where are the options?

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)