The answer is B, if this is about WW1. The allied powers was WW2 and involved The U.S. The Western advance was Britain and France in WW1, I think... Don't quote me on that. And the League of NAtions was the precursor of the UN and was started in between WW1 and WW2 and lasted through WW2. But based on the nations listed, since it is only Russia, Britain and France, The answer would be B. Triple Entente.
Building through the Sierra Nevada Mountains was very difficult and dangerous. Temperatures were freezing during the winter and in one year alone there were 44 storms.There was the great danger of an avalanche for the men working through 18 feet of snow and camping on the tunnels beneath it. Creating tunnels through the mountains required blasting with nitroglycerin. Advancing at one foot of mountain at a time, a total of 11 tunnels was created.
Answer:
In many parts of the world, early civilizations formed when people began coming together in urban settlements. ... From this specialization comes class structure and government, both aspects of a civilization. Another criterion for civilization is a surplus of food, which comes from having tools to aid in growing crops.
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Your answer is A) a single color and repeated box shapes