Ravana had ordered Mahodara to fight Lakshamana, Rama's brother, but Mahodara disobeyed Ravana and went directly to Rama. The result of his disobedience was that he got destroyed by Rama, and became lifeless and shapeless on the field.
Hanuman
Rama and Ramayana are related. Rama has no relation to Mahabharatha. Rama did fight a war with Ravana to save his wife from Ravana, who had abducted her. Rama and Ramayana relates to the time of Tretayuga. Mahabharata relates to the time of Dwaparayuga
The conflict was between Rama and Ravana. Trigger for the conflict is the abduction of Seeta the wife of Rama, by Ravana. Rama declares war on Ravana to rescue his wife. Ravana and his army were finally defeated and killed by Rama. Good prevails over bad.
Ravana abducted Sita who was the wife of Rama. Rama killed Ravana to get back Sita. In reality, the conflict was not because of Sita but it was because of the wild desire of Ravana to marry Sita who was already wedded to Rama.
The conflict was between Rama and Ravana. Trigger for the conflict is the abduction of Seeta the wife of Rama, by Ravana. Rama declares war on Ravana to rescue his wife. Ravana and his army were finally defeated and killed by Rama. Good prevails over bad.
Lord Hanuman along with Army of Monkeys or Vanaras helped Lord Sri Rama in fighting Ravana and rescuing Sita.
The trigger for the war is that Ravana abducted Rama's wife Seeta, in short. But the whole events have a larger background based on divine plans of god.
Because Rama hurt Ravana's sister.
Rama and his army entered Lanka and defeated Ravana and his Army. Rama finally slayed Ravana and then saved his beloved wife Sita
Rama crowned Vibhishana as the king of Lanka after the death of Ravana.
Rama killing Ravana is the denouement of Ramayana. Ramayana has an intricate plot in which Ravana had all the super powers whereas Rama was an ordinary human, who with the help of just monkeys, killed Ravana.