Did appeasements cause WW1

Which is a result of the free exercise clause? parents can prevent their children from being vaccinated. people with a religious objection to military service cannot be drafted. businesses that sell religious materials can be open only on sundays. amish children do not have to attend school past the eighth grade.

During the 1920’s why did the us policy change

Based on what you have learned, why would victories in the western theater have been important to the union?