<span>The main difference between French conservatives and liberals following the Congress of Vienna was that the liberals believe in absolute monarchs.
</span>The Congress of Vienna<span> (German: Wiener Kongress) was a conference of ambassadors of European states chaired by Austrian statesman Klemens Wenzel von Metternich, and held in </span>Vienna<span> from November 1814 to June 1815, though the delegates had arrived and were already negotiating by late September 1814.</span><span>
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Why does an economic choice involve giving up something else? People make choices because they cannot have everything they want. All choices require giving up something (opportunity cost) Economic decision-making requires comparing both the opportunity cost and the monetary cost of choices with benefits.
<span>"Because the cultures did not think of themselves as coming "before" anything."
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By the end of ww1 people were using airplanes in combat, they weren’t the best during war but by ww2 they had evolved. It was hard to fly an airplane and shoot at the target especially with regular guns and not a machine gun.