Answer: b. Disruptive mood dysregulation disorder.
Explanation:
Disruptive mood dysregulation disorder is a mental disorder found mostly in children and adolescent by an angry mood and frequent temper outburst which are clearly out of proportion with the situation.
Several reasons actually. The most important one was its location. Thanks to it it enabeled the trade with African, European and Asian countries. Another thing is that it also was a good place to start a war on other countries.
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
