Answer:
The number of years they serve per term.
The correct answer is positive regard
Positive Regard is having an experience of unconditional positive consideration towards another person means warmly accepting every aspect of that person's experience. It means not placing conditions for the acceptance or appreciation of this person. Unconditional positive consideration implies non-possessive care, a way of appreciating the other as an individualized person who is allowed to have his own feelings, his own experiences.
In 1970 when the Aswan High Dam was completed, the annual Nile floods and sediment stopped for most of Egypt's civilisation which lived downstream. In addition to creating electricity, the dam allowed Egyptians to control the flow of water and build upon the Nile's banks with certainty that it wouldn't be flooded.