Sounds like she was either rough housing with another dog a bit too energetically, or she ran and pulled a muscle. It happens. I would do the R.I.C.E.(Rest.Ice.Compression.Elevation.)You could also get some Hemp Eaze, which is non-toxic, safe for animals and humans, and will help her heal faster.
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.