Answer:
As the slab gets to a certain depth, it gets hot enough that it start to melt again. As it melts, it undergoes differentiation and also gets less dense. Low density means that it will start to rise back up again, usually, as granitic magma.
Explanation:
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The criticism of the Masons that was not common was transparency in the intent and implementation of their policies. The answer is D.
Eugene V. Debs discusses how socialists in the US strive for financial and social equality among all US citizens. Debs describes how American society can be extremely unfair, as some individuals are born into wealthy families and never have to work a day in their life while other individuals work extremely hard their entire lives just to survive.
This is why Debs, and socialists in the US in general, strive for a system in which the government has more control of the means of production and the economy in general. Debs argues that all things in the US are jointly used and that it only makes sense for the government to be involved in making sure these resources are spread out equally to citizens.
It was mainly the "C. Imperial nations, such as the United Kingdom and France," that benefited most from 19th-century imperialism, since these were the nations that were extracting the resources from the colonies.
