French political libertarian and economist CLAUDE FRÉDÉRIC BASTIAT (1801-1850) was one of the most eloquent champions of the concept that property rights and individual freedoms flowed from natural law. Here, in this 1850 classic, a powerful refutation of Karl Marx's Communist Manifesto, published two years earlier, Bastiat discusses:. what is law?. why socialism constitutes legal plunder. the proper function of the law. the law and morality. "the vicious circle of socialism". the basis for stable government. and more.