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The modern industrial economies of the three powers allowed for scientific and technological advances that led to increasingly powerful and more lethal systems of weapons (more potent cannons, new warships, the first war airplanes, devastating gun machines and poisonus gas, for example). It also was the basis for mobilizing and keeping large armies in 1914-1918. WWI produced the horrendous figure of 40 million casualties, half of them dead, something never seen before in history.
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A. It has made the spread of cultures and ideas easier
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Of all the bills that made up the Compromise of 1850, the Fugitive Slave Act was the most controversial. It required citizens to assist in the recovery of fugitive slaves. It denied a fugitive's right to a jury trial. ... For slaves attempting to build lives in the North, the new law was disaster.
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