In my training to be a police instructor, optimum range was considered to be 15 yards and max was 25. (with 00 buck)
With slugs, 50. (100 with a rifled barrel)
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