Lots of options. If the pet goes outside, there's no way you can keep the fleas off of them because they dwell outside from wild animals and such. You could spray your yard for fleas and ticks around the perimeter and so forth and/or use a monthly flea preventative from your veterinarian.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.