Danish Ismail / Reuters
By deepening economic ties with Pakistan's benefactors.
The recent plunge in global equity markets has led to fears of another economic downturn - one that might be a lot worse than what we saw in 2009. So, why is it happening? Here's a rundown of the various factors -- from the China problem to the crash in oil prices to the Federal Reserve's interest rate hike - that led to a perfect storm.