DUDE ITS FALSEEE I know that one
1. sensorimotor: from 0-2 yrs old.
2. preoperational: from 2-7 yrs old.
3. concrete operational: 7-11 yrs old.
4. formal operational: 12 yrs old & up
Most of the time ships travelled looking for good trading routes and land to claim in the name of their country
The Red river between TX and OK
