Answer: Emerging adulthood
Explanation:
The emerging adulthood is basically refers to the developmental phase between the dependent adolescent to the adulthood stage in the life span.
The emerging adulthood is one of the early developmental or the adulthood stage that basically describe about the adolescent period of the people that helps in developing the various types of relationship and the abilities.
The following are the three main stage of the emerging adulthood are as follows:
- The physical development
- Psychological development
- Emotional development
According to the given statement, the developmental stage is known as the emerging adulthood. Therefore, emerging adulthood is the correct answer.
Persia's standing army was an important factor in Persia's rapid growth because of the elite soldiers within the standing army. They were known as the "Immortals" and tasked to maintain order from within and the outside.