Sort:  

raise the voice for peace.
be prepared to defend yourself when an aggressor takes physical action against ya.
When Hitler attacked his neighbors, well, he killed a lot of his neighbors.
put a lot of people in horrible camps...
When Japan attached their neighbors, well, they killed a lot of folk.
put a lot of people in camps.
War was what it took to stop there injustices.
speak soft
carry a big stick