Complex sentence: Although Saleh has continued to cause agitation between himself and the new government as a result of giving up his power, the result of the tension between the two parties has caused increased violence in the time since the trading of power.
Split into simpler sentences: Although Saleh has continued to cause agitation between himself and the new government as a result of giving up his power. The result of the tension between the two parties has caused increased violence in the time since the trading of power.