At those ranges, and hunting nothing larger than whitetail, any of the 150s you mentioned should be fine. I use handloads with the 150 Speer, but your core-Lokts or WW will do nicely.
History fails to record a single precedent in which nations subject to moral decay have not passed into political and economic decline. There has been either a spiritual awakening to overcome the moral lapse, or a progressive deterioration leading to ultimate national disaster.
If you think a strong military is expensive, think about what a weak one would cost