2 and 4 are false 1 and 3 are right
In 1866 Austria gave Venetia to France, and France gave it to Italy, so Venetia was again united with the rest of Italy. So, in 1866 Italian unification was advanced by annexing Venetia, an important and rich region.
By this time Lombardy, which long formed a unity with Venetia, was already united with Italy.
About a inch or two including the legs it depends
Because it could make teacher punish there students by hurting them