GI:World-conquering wargames are nearly as old as the video game medium. Dozens of polished variations on the theme have entertained us for decades. Such expansive empires are exceptions to the rule of human history, though. Modeling the kind of soft power through which Venice built its trade hegemony and Denmark stamped an outsized influence on European politics has historically been much more difficult. Civilization V: Brave New World pushes the latest incarnation of the legendary strategy franchise in that direction with great success.