Complex sentence: As a result, the time period following the battle witnessed an upsurge of support for Palestinian paramilitary elements ("fedayeen ") within Jordan from different Arab countries, becoming a"state within a state", threatening Jordan's rule of law.
Split into simpler sentences: As a result, the time period following the battle witnessed an upsurge of support for Palestinian paramilitary elements ("fedayeen ") within Jordan from different Arab states. Soon enough, these armed militias were becoming a"state within a state", threatening Jordan's rule of law.