Health Care Reform and American Politics: What Everyone Needs to Know. Jacobs and Skocpol spell out what the new law can do for everyday Americans, what it will cost, and who will pay. Above all, they explain what ... BJB Msw - 《Oup Catalogue》 被引量: 44发表: 2016年 The World ...
But for space colonisation and tourism, it is not enough. I don't think it will ever achieve few dollars per kg launch cost like space elevator approaches. Even with huge 200+ t rockets, it may be far more expensive. Don't believe the hype; space elevators won't realistically reach ...
were eroded as colonial powers claimedde jurecontrol over their ancestral lands. The continuation of European land regimes in Africa and Asia meant that the withdrawal of colonial powers did not bring about a return to customary land tenure. Further, the growth in environmentalism has been interpret...