want to continue studying in USA or in Italy

Well, I am studying at law faculty at Tbilisi state university and want to continue studying in USA or in Italy. My dream is to become a famous lawyer and help the people who are the victims of violence. I will meet many interesting people, my foreigner colleagues’ want to get to know their ideas about developing of law in their countries, and specifications too. So I extremely need much money to reach that expectation but I don’t have. Is there any government grant available for that? Please help me.