What is the difference between anger and aggression?

anger is to harm someone but aggression is for to do some work in a good maner.

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Anger if not controlled develops into aggression!

Anger is a feeling. aggression is action that may arise from anger or otherwise.

Showing aggression as a matter of habit is symptomatic of deeper mental illness!

Anger is expressing one of our feeling .But,aggression is something related to our character.

Aggression is use or threat to use violence and anger feeds it!

Aggression comes when you have enough anger in your mind.

Anger is a feeling and which is never good for anyone while agression is an act which is useful at many places like in sales or marketing field.The more aggressive a salesman is the more easily he achieves the target.His agression augments his performance.