Since Roman was expanding and it didn't have control of their lands and couldn't govern most of it. It kept expanding until the western part of Roman was conquered by Barbarians.
Answer: Westernization has also been beneficial in globalizing the economy and creating more efficient ways of producing goods and services. Another benefit is the modernization of medical practices, resulting in the extension of life expectancy.
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Answer: Russia mobilized its forces, prompting Germany to declare a two-front war against Russia and France.
More details:
Various systems of alliances were put in place before World War I. The two main alliance systems were the Triple Entente, which had Britain, France and Russia as allies, and the Triple Alliance, which had Germany, Austria-Hungary, and Italy as allies. There were also other alliances, such as Russia taking on recently independent Serbia as an ally, as both had ethnic Slavic populations.
So here's how the start of World War I happened. When the Austrian prince and his wife were assassinated in Serbia, the Austrian government threatened the nation of Serbia with retaliatory action (even though the assassination was carried out by a terrorist group, not the Serbian government). Russia responded to Austria's threat, because Russia was bound to protect its Slavic ally, Serbia. Germany responded to the mobilization of Russian troops, and when Germany declared war on Russia in 1914, they implemented a military plan (the Schlieffen Plan), which assumed war would mean they'd have to take on all members of the Triple Entente alliance. So as soon as Germany declared war on Russia, they sent troops to go attack France. That pulled France and Britain into the war immediately as well, and the war spread and became a global conflict.
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Answer:
Delegates to the U.N. climate change conference in Poland from many of the world's poorer nations are asking wealthier countries to pay compensation to the impoverished countries bearing the brunt of climate change. Melissa Block talks to Munjurul Hannan Khan, negotiator and spokesman for the Least Developed Countries Group about the tensions between rich and poor countries.
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