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Politique et gouvernement (biographies), Affaires et économie, Etats-Unis (histoire), Essais et documents généraux
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In A Just and Generous Nation, the eminent historian Harold Holzer and the noted economist Norton Garfinkle present a groundbreaking…
new account of the beliefs that inspired our sixteenth president to go to war when the Southern states seceded from the Union. Rather than a commitment to eradicating slavery or a defense of the Union, they argue, Lincoln’s guiding principle was the defense of equal economic opportunity. Lincoln firmly believed that the government’s primary role was to ensure that all Americans had the opportunity to better their station in life. As president, he worked tirelessly to enshrine this ideal within the federal government. He funded railroads and canals, supported education, and, most importantly, issued the Emancipation Proclamation, which opened the door for former slaves to join white Americans in striving for self-improvement. In our own age of unprecedented inequality, A Just and Generous Nation reestablishes Lincoln’s legacy as the protector not just of personal freedom but of the American dream itself.
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Affaires et économie
Jeff Boss has faced and overcome uncertainty in the most tumultuous circumstances. As a Navy SEAL, he worked in some…
of the most unforgiving environments on earth and faced enemies that constantly changed, much like today's business landscape. In a world of chaos, how do individuals and teams stay together to find certainty in a world where there is anything but? This book reveals how. Using anecdotal experiences from both the military and business worlds, Boss highlights the mindset and practical steps of how people and organizations can forge certainty amidst inevitable chaos.
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Affaires et économie, Environnement, Politique et gouvernement, Art de vivre
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Crowded, hot, subject to violent swings in climate, with a government unable or unwilling to face the most vital challenges,…
the rich and poor increasingly living in worlds a∂ for most of the world, this picture is of a possible future. For India, it is the very real present. In this lyrical exploration of life, loss, and survival, Meera Subramanian travels in search of the ordinary people and microenterprises determined to revive India’s ravaged natural world: an engineer-turned-farmer brings organic food to Indian plates; villagers resuscitate a river run dry; cook stove designers persist on the quest for a smokeless fire; biologists bring vultures back from the brink of extinction; and in Bihar, one of India’s most impoverished states, a bold young woman teaches adolescents the fundamentals of sexual health. While investigating these five environmental challenges, Subramanian discovers the stories that renew hope for a nation with the potential to lead India and the planet into a sustainable and prosperous future.
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Affaires et économie, Informatique et Internet
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比特币是由名不副实的程序员或者一群程序员发明的一种加密货币和数字支付系统，名叫Satoshi Nakamoto。 它在2009年作为开源软件发布。 系统是点对点的，交易是直接在用户之间进行的，没有中间人。 这些交易由网络节点验证，并记录在称为区块链的公共分布式账本中。 由于该系统没有中央存储库或单个管理员，比特币被称为第一个分散数字货币。 比特币除了被创造为挖矿的奖励外，还可以在合法或黑市交换其他货币，产品和服务。 截至2015年2月，超过10万商户和供应商接受比特币作为付款。 根据剑桥大学2017年的研究报告，使用加密货币钱包的用户数量达到2.9-580万，其中大部分使用比特币。