It all started in the 1830's when I found young Italy.
We will invade Mazzini and Sicily so that we can will control.
Here is old Mazzini telling a group of young learners about how he found young Italy. He explains to them that his goals were to constitute Italy and make it one free independent republican nation.
Here is Cavour sitting in his office planning out his reform Sardinia's economy and make his other changes on Italy after he was declared prime minister. His main goal was to remove the Austrian power from Italy.
Here is Garibaldi rerouting his red shirt army and planning his attack so that he can invade Sicily. He also wanted to make an Italian republic and the gained control so that he could.