Anger is a learned emotion. Children observe anger in adults and older children and then copy it. If being angry gives the child the pay-off they want; then anger will develop into a habit that is used every time the same issue occurs; or when the child is challenged.
Lockdown pressures will exacerbate individuals with a tendency to anger, frustration and even rage.
There are a number of fact sheets below, including self-analysis tools and strategies, which you can use with your family.