Mercenaries Wave of the Future, US Firms Say
The subsitution of mercenaries for citizens is usually a late stage of imperial development, eg Rome. Mercenary forces are usually advanced and effective, but if defeated can be difficult to replace.

Mercenaries Wave of the Future, US Firms Say
The subsitution of mercenaries for citizens is usually a late stage of imperial development, eg Rome. Mercenary forces are usually advanced and effective, but if defeated can be difficult to replace.