What parts of the Minsk agreements not being fulfilled led to Russia invading and who should be pressured to fulfill them? Since Russia claims they are not boun

What parts of the Minsk agreements not being fulfilled led to Russia invading and who should be pressured to fulfill them? Since Russia claims they are not bound by the Minsk agreements why would there not being fulfilled lead to the current invasion? Should the current Russian government be trusted to keep their end of any deal involving Ukraine given their blatant breaking of the Budapest memorandum and the Russian-Ukraine Friendship Treaty?