I think the leading cause of water scarcity is too much usage, pollution, and global warming. These might be a few things but these are mostly the things that have the most effect on water scarcity.
Hope this helps
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Spain and Portugal wanted to find a sea route to Asia because Portugal did not share trade routes with Asia and Europe (no Meditteranean Ports), Spain wanted to Spread Christianity, and both countries wanted to find more trade. ... The effect of smallpox on the Mexican People was a large role in the Spanish Conquest.
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Germany, Austria-Hungary, and Italy
Yes in 1965. Lyndon Johnson signed the voting rights act.
