Without a table or graph, you might forget what an equation represents.
I'm am unsure what context the answer needs to be in or how specific they need to be. Minerals are used in most building supplies, fertilizers, cooking ingredients, and machinery.
Central Europe was mostly the place that influenced everyone the most. Germany, Austria, and Italy, being the musical leaders of the world, Austria being the most famous since Vienna was a musical center of the world. There were however famous composers in places such as Russia and France too.
B, both in real history and this chart, America created the first atomic weapons, and Russian spies during WW2 wanted to have the advantage of such power, lest America have a monopoly on pure Force.
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