Complex sentence: Cobra's standard method is to covertly further destabilize an already unstable nation, using both terrorism and shell companies to hit the economy; they then openly hire out their Crimson Guard soldiers to that country, and slowly make the population trust Cobra more than their government.
Split into simpler sentences: Cobra's standard method is to destabilize by covert acts an already unstable nation, using both terrorism and shell companies to hit the economy. They then openly hire out their Crimson Guard soldiers to that country, and slowly make the population trust them more than their government.