It is foolish and wrong to mourn the men who died. Rather we should thank God that such men lived.
Never tell people how to do things. Tell them what to do and they will...
Discernment is God's call to intercession never to faultfinding.
I think the reaction to a World War II situation would be the same today as it was in 1942. Initially people would question but once patriotism got stirred up the whole thing would gather momentum and we'd all pull together.