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In page Portugal:

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He reorganised the army and navy and ended legal discrimination against different Christian sects.[citation needed] He created companies and guilds to regulate commercial activity and one of the first appellation systems by demarcating the region for production of Port to ensure the wine's quality. This was the first attempt to control wine quality and production in Europe. He imposed strict law upon all classes of Portuguese society, along with a widespread review of the tax system. These reforms gained him enemies in the upper classes.