Oil and gas were precious commodities in short supply.

FORBES: If America is the New Saudi Arabia, What Does That Mean for Our Energy Future?

But as Colin Powell pointed out during a brief tour of Africa earlier in the year, money loves security and stability, and, in much of the continent, those commodities remain in short supply.

BBC: US-Africa business summit opens

They're commodities that have been in short supply.

WSJ: When Regulators Go Rogue