The reason we are more responsible for providing aid is that we have way more money than we know what to do with. For instance:
http://www.nationmaster.com/graph-T/mil_exp_dol_fig&int=20
If we are going to play at "world police," we have a responsibility to give aid to countries in need, just like we apparently have a responsibility to invade a country halfway around the world that poses no threat to us.
Speaking of which, nobody's managed to give me a single reason why invading Iraq was a good move for us. I'll make it easier for you guys- imagine that Saddam actually had a modest stockpile of WMDs. Imagine he had a few warheads loaded with a biological or chemical agent, and we have complete proof of this. Now convince me why [i]we[/i] needed to go in there.
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WIND BLOWING HARD
KOMPRESSOR GREEN CARD
OUT OF HAND AND INTO FRONT YARD
PICK UP FROM LAWN
CONCLUSION FOREGONE
KEEP WALLET IN POCKET IF WIND IS STRONG