President franklin roosevelt had issues with the supreme court when it found some of his programs unconstitutional. in an attempt to get his way, he tried to stack the high court with more justices who would side with him. why was this action inherently dangerous?

The problem here was that it would directly upset the fundamental system of check and balances. The checks and balances system is in place so that no part of the government would get too much power and it is the job of the judicial branch to monitor other two branches. If Roosevelt had succeeded the power or the executive branch would be left unchecked.