<span>The example above refers to Legal Paternalism. This
is where the state is taking responsibility in protecting individuals from
things that may cause self-inflicted harm, or harm towards others. FCC
regulates television and radio media to ensure that individuals are guided
towards what is proper and what is deemed as good for the individual.</span>
The main reason for migration is mostly food: people migrate where they can produce food easily, catch it, or in modern times, to produce money to buy food.
Other reasons is conflict with other people and competition for food: people migrate in the hope that elsewhere they won't have to compete.
Finally, people might also migrate to look for a better climate (where they don't have to built very cold resistible houses for example).