Simplify the following text for a Grade 15 native English-speaking person.
Original: Therefore he proposed the abolition of the economic advantage of small families by instituting subsidies ( he called them allowances ) to families with larger numbers of children , with the allowances proportional to the earnings of the father .
Simplified: Therefore he proposed the abolishment of the economic advantage of small families by instituting subsidies ( he called them allowances ) to families with larger numbers of children , with the allowances proportional to the earnings of the father .