The phase is to monitor training, an operation, or other even to see if the recommended solutions are applied to change behavior or performance. a. Validation
b. Integration
c. Assess
d. Discovery

B. Integration

Explanation: The integration phase could be explained as the period whereby a designed solution, training or remedy is being tested in other to determine the effectiveness of the process. It marks an integral step toward the actual implementation of the process whereby the level of effectiveness is monitored and flaws are detected, meaning this phase is aimed at determining if the proferred solution work as planned. This phase opens way for modification where necessary before the actual implementation and validation phase.

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.