Men who are violent towards women are often violent towards animals as well. They think we’re all chattel. If a man wants you to choose between your dog or cat or him, dump the guy. Those animals will love you for the rest of your life, loyal and true.
No, Katniss is the official Mockingjay, Rue inspired the revolution, but Prim started it. If Prim hadn't gotten picked Katniss wouldn't have volunteered then she wouldnt have met Rue who sparked the Mockingjay.