The key in weight training for boxers is to develop explosiveness. This means doing 6 to 8 reps of each exercise with the heaviest weight you can handle. Do 3 sets of each and vary the exercises so your muscles don't plateau. Alternate days between core and weight training.
Later on, the grey wolf was put on the Endangered Species List, and were protected. But now, people in states such as Alaska, Utah, Idaho, and Montana shoot wolves, gas pups in dens, sterilize alphas, poison wolves, and skin them.
By the time of the 1973 Endangered Species Act there were no gray wolves in the West, save a few who came down on visits from Canada. The reintroduction of the species came in the 1980s, which spurred the legal wrangling that continues today.