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How did the location of Jenne-jeno cause it to become a large busy city? Its location along were the Niger river meets the Bani river made it an ideal location for farming, fishing, and trading. They were able to conquer other places because they had the money to make larger, stronger armies.
Thor was the Norse god of thunder, I don't think he was the god of luck too.
The correct answer to your question would be D - A trade policy that encourages exports while discouraging imports, mainly through tariffs.
The reason why this is the answer is because protectionism in its essence tries to restrain, limit and make trade less prominent between two nations by doing exactly that; encouraging exports and discouraging imports. This can be done in many ways. The idea behind this is that this serves and protects the interest of one nation (the protectionist one) and "evens out" the trading playing field.
