Roland is a sales associate in a jewelry store. He tries to sell as many expensive pieces as he can because of the commission he earns. He does not really enjoy his work but sees it as a way to earn a living until something better comes along. In this example, Roland is driven primarily by motivation.

extrinsic

Explanation:

Extrinsic motivation: In psychology, extrinsic motivation is defined as an individual's specific behavior that is being driven or operated or directed by any of the external rewards, for example, praise, fame, money, and grades, etc. Extrinsic motivation arises from an individual's outside environment and is considered as opposed to intrinsic motivation.

Example: A girl helps her mother in the kitchen because after that she will be rewarded with her favorite chocolates.

In the question above, Roland is driven primarily by extrinsic motivation.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.