Final answer:
True. Stasiak values the theory of moral causality because it emphasizes that the sacraments really do confer grace.
Step-by-step explanation:
True
The theory of moral causality emphasizes that the sacraments truly confer grace. This theory is supported by Stasiak. In Catholicism, the sacraments are considered essential spiritual rituals that can only be performed by ordained priests. This exclusivity gives the Church power and influence over the spiritual salvation of medieval Christians.