To measure the amount of human capital available in a country it would be best to determine

after the roman empire, the catholic church began to unify by taking on many duties of a government.

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.