Main Conflict:
The main conflict in the story is the return of Lord Voldemort and the denial of the Ministry of Magic. Harry's warnings about Voldemort's return are dismissed, causing frustration and anger, particularly within the Order of the Phoenix.
Resolutions:
* Harry's Prophecy: The prophecy about Harry and Voldemort is revealed to Dumbledore and Harry, confirming the threat Voldemort poses.
* Dumbledore's Army: Harry forms Dumbledore's Army, a secret organization to train students in defensive magic, helping to prepare them for the eventual war.
* The Battle of the Department of Mysteries: Harry and his friends confront Voldemort and his Death Eaters at the Ministry of Magic. This battle is crucial for several reasons:
* Confirmation of Voldemort's Return: The Ministry is forced to acknowledge Voldemort's return.
* Sirius Black's Death: This event deeply affects Harry and fuels his determination to fight Voldemort.
* Sirius Black's Sacrifice: Sirius's death, although tragic, allows Harry to face his fears and grow stronger.
* The Trial of Dumbledore: Dumbledore is cleared of charges brought against him, restoring his reputation and authority within the wizarding community.
Other Conflicts:
* Harry's Frustration and Anger: He struggles to cope with the pressure of being the "Chosen One" and the lack of support from the adults. His anger leads to confrontations with the Ministry and even Dumbledore.
* Cho Chang's Relationship: Harry's relationship with Cho is complicated by her grief over Cedric Diggory's death and her connection to the Death Eaters.
* Umbridge's Tyranny: Dolores Umbridge's harsh and oppressive rule in Hogwarts creates tension and rebellion among students and teachers.
Overall Resolution:
* The Ministry's Acceptance: The Ministry is finally forced to acknowledge Voldemort's return, setting the stage for the war to come.
* Dumbledore's Authority Restored: Dumbledore's credibility is restored, making him a key leader in the fight against Voldemort.
* Harry's Growth: Harry faces difficult truths and learns crucial lessons about trust, courage, and responsibility. He emerges stronger and more determined to fight Voldemort.
While the book ends with a sense of resolve, the overall conflict is far from over. The resolution in the Order of the Phoenix serves as a crucial step in the escalating war against Voldemort, preparing the ground for the events in the subsequent books.