The enemies of Rome were The Barbaricum.
Final Answer: What happened in Rome 161 AD when first enemies called The Barbaricum attack the Roman Empire
Answer:
c. difficult
Explanation:
According to Thomas and Chess, there are three types of temperament in child i.e. slow-to-warm-up, easy and, difficult.
The slow to warm up child is quite negative, exhibits a low potency of mood, and shows low adjust-ability.
The easy child adjust easily to new experiences, normally have a positive mood, easily begin regular routines in infancy.
The difficult child cry very often and react negatively, as well as slow in adjusting to new experiences
Your correct answer would be D.
Proportional representation
the marginal social benefit of producing and consuming another unit equals the marginal social cost.