Increases in global migrations
Are free to look for explanations for why things have changed.
Maybe you could try and use a little grammar, and make the question clearer.
The reason as to why Amanda is behaving that way towards her children is because of maternal love. The way she nags to her children is one of the ways of how she will show their love to them as their mother. These explains why she's been acting like that towards her children and she wouldn't stop.