Why the world needs a global form of goverment

This year has sucked sucked sucked. we have people killing people,Americans spending there 401ks on shelters just in case the end of the world as we know it happens. Umm hello Americans the end of the world as you knew it ended back in 2008 when you elected osama bin laden sorry obama as your president hello americans look outside of the box.
The point is the civil war in syria (not sure how its spelt) but the point is it would not have happend if back when some drunk heroic iraqis decided to kill themselfs by blowing up an historic building.
A.n they were heroic to there people.
if the world had united and formed a goverment.
look i say evreyone needs to help form a new era of prosperity
and joy to the world.
A.n none of the above reflect my oppinions of anybody,country,race or religin. im just trying to see how many people will bite this thread.
Dont belive me osama is the worlds greates hero now bit my thread. i can take it i love negativity