Please call back later <a href=" http://www.clearofclouds.ch/i-need-help-on-my-homework/#photography ">great wall of china essay</a> I think the other issue is infrastructure deficits. I mean, no economy in the world has developed without infrastructure, particularly in the power sector. I understand that the president will roll out a power initiative in Tanzania; I think that's very good. Africa needs to spend about $90 billion a year to upgrade its infrastructure, and so that's going require a lot of investment, and that's going to be a catalyst for growth in so many areas because one thing that represents the highest cost of doing business in Africa is the lack of infrastructure. It is also hampering intra-Africa trade and Africa trade with the rest of the world.