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what if Austria joint France in Crimean war and earn gratitude form Napoleons III . so that Franco-Austrian is Butterfly because Napoleons III have better relationship with Austria. war of 1866 end as same in Germany. Austria loss Germany but keep Tuscany and Lombardy and Veneto because savoy didn't get Lombardy in 1859 savoy is weaker. Prussian-Franco war of 1870 end in same result as OTL. after war 1870 France cant attack Austria in Italy. what effect on world if Austria keep it Italian provinces after 1859 ?