Well the affect of the Jews mentally for them is horrific. 99% of the Jews who survived the holocaust is serious badly traumatised from the horrors they witnessed and this wouldn't ever be forgetting...
its possible.
your heart when someone breaks your heart
Obey orders, fight for their country (which may involve being killed or killing others), march, salute and try to look smart.
a solder is in something called a military and he fights for freedom