The answer is A I was reading a book about this and it had the same question and the answer was A
The fundamental modernization of ribbed groin vaults in Gothic cathedrals was to accommodate stained glass window. The ribbed groin vault is the connection of two or three barrel vaults yields a rib vault or ribbed vault when they are bordered with an armature of piped masonry often engraved in decorative patterns and associate groin vault is an older custom of vault structure.
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Yes , Any dispute about which is more powerful -- the federal government or the states -- was settled in 1789 when the Constitution granted the federal government the right to collect taxes, regulate interstate commerce, raise an army and adjudicate legal disputes between states.States, or alliances of states, have attempted to nullify federal power, but the federal government has eventually prevailed, although in the case of Southern slavery, it took a four-year war for the federal government to do so. Beyond that, states have served as pockets of resistance or innovation, attempting to weaken federal laws, or to advance new legislation that the federal government is not yet ready to consider.
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