africa because of the commodity environment, the oil price going down to below $40 at various points. but as it has come back to its current levels between $70 and $80 a barrel, the commodity countries, the oil-producing countries in particular, have managed to stabilize, currencies have stabilized. and so the environment for diversification from that stable point and the use of surplus oil funds is now back on the agenda i guess. and the concept of sovereign wealth funds and mineral and industrial diverse ifverse if e indication is very much on the agenda. >> so the brics countries.die d indication is very much on the agenda. >> so the brics countries. how does the united states compare to say china's