what challenges have developing nations and former communist countries faced?

what are the benefits and drawbacks of an increasingly interdependent global economy?
what impact have technology and environmental issues had on the world?
how have the economies of developed and developing nations changed since ww2?
Why would retired people be especially vulnerable to an economic downturn?
How effective have the global economy and free trade in eliminating poverty?

Wow! That's a lot of questions!!

You write up your thoughts, post them here, and someone will critique them for you.