Answer:
Catechetical school, in early Christianity, a type of educational institution with a curriculum directed toward inquirers (especially those trained in the Greek paideia, or educational system) whose aim was to gain a greater knowledge of Christianity and eventually, perhaps, baptism into the Christian community
The 15th century....I think
No se han dicho que no se ha dicho que ha sido un poco de teléfono de vuelta a las dos a las que han dicho nada de que no se han dado la cara para la que han
The answer is: Cities
Approximately, around 80% of united states population live in the cities. This happen because most of job opportunities that exist in united states (whether it's art, technology, or manufacturing) are located in the cities.
Because of this, even people who born in rural areas start to move to inner cities in order to find jobs and sustain their living.