Most human development is the result of improvements in the sexual market and...

Most human development is the result of improvements in the sexual market and parenting which are made possible by the increased stability of improvements to rule of law within a highly competitive environment.

Rule of law -> stability -> K-selected reproduction pressures.

More eugenic (competitive) reproductive choices leads to stronger families -> better parents -> healthier children -> higher Agency adults and on aggregate a more sovereign polity.

The expression of superior genes and culture via the application of rule of law.