The one that is most closely associated with the acquisition
of a sense of object permanence is the concrete operational intelligence. The
concrete operational stage is where it is a way of an individual to developing
his mental operations with the use of performing skills associated with it.
There wasn’t a specific type of people or person. Christianity spread from southern europe to northern europe from merchants, missionaries and even soldiers traveling and teaching.
A I have to make this 20 long so I am just going to type IGNORE THIS