yes - book 2.
To kill collect all the horcrux' and kill Voldemort. Also, he wants to be with Ginny Weasley.
If you read the first few books, you know harry saved Ginny from a basilisk in the first book. She was posessed by Voldemort, and was forced into helping the basilisk kill people. After Harry saves her in a dramatic battle against Voldemort, who was reincarnated from a diary, and the basilisk, Ginny has a minor role as a young girl who is in live with Harry for the next few book. later, she is member of the DA (Dunbledore's Army) which Hary created, and he helps her with spells. Finally, Ginny and Harry being to date, kiss, etc. However, Harry breaks up with her because he is afraid that Voldemort will use her to get to him. Finally, Harry defeats Voldemort, and Ginny and harry get married and have children. - Harry saved Ginny from the basilisk in the SECOND book-Chamber of Secrets. Ginny also did NOT kill people, she petrified them! Voldemort was NOT reincarnated- he was a memory of himself when he was a young boy known as Tom Riddle.
Ginny Weasley, who was being possessed by a horcrux of Lord Voldemort.
because harry potter save ginny from Voldemort
Nobody is conected to Voldemort since he is dead.
In the book, Ginny doesn't cry, because she said that she knew something like this would happen even before she started dating him. In the movie, Ginny doesn't cry because they were never going out.
the diary which she was having belongs to tom riddle(voldemort). He used ginny for regaining his powers.
By using the Avada Kedavra curse.
Yes, Ron destroyed one of Lord Voldemort's Horcruxes - killing a piece of his soul.
Ginny took herself into the Chamber of Secrets, as instructed by Lord Voldemort who was possessing her at the time.
No.
You go on with your life, become an Auror, marry Ginny and have kids.