Answer:
Step-by-step explanation:
The given sentence appears to have a grammatical error. Here is a corrected version:
"Was it a good decision for Valdek's father to try to keep him out of the army?"
As for whether it was a good decision for Valdek's father to try to keep him out of the army, it depends on the context and circumstances surrounding the decision. Without more information, it's difficult to determine whether the decision was ultimately beneficial or not. Factors such as Valdek's personal goals, values, and the reasons for wanting to avoid the army would play a significant role in evaluating the decision.