Answer:
Western Europe
Explanation:
While the crusades took place in the Middle East - specifically Jerusalem - the calls for the crusades began with the catholic church in Western Europe. This created a root structure for the crusades.
The correct option is (A), The Three Gorges Dam. The Three Gorges is the world biggest power plant, the biggest dam, and consumer of stone, dirt, steel, and concrete. The three gorges dam will cause serious environmental pollution, such as water pollution, erosion, air pollution etc. Particularly the river Brahmaputra will be the most affected. The Brahmaputra river is the most important for India because of water resources. So, it would have the biggest impact on the interaction between India and China.
The answer is B. an increase in the power of the federal government over the United States.