по своим религиозным убеждениям(For centuries Quakers have objected to war and armed service on grounds of conscience. In 1916, we also fought for the right to conscientious objection in law.Alexander Oshis)
по своим убеждениям(This clause enshrined in law for the first time the right to claim exemption from military service on grounds of conscience.Alexander Oshis)
по своим религиозным убеждениям(В соответствующем контексте: A conscientious objector is a person who refuses to serve in the armed forces on the grounds of conscience
Alexander Oshis)