When John was asked to memorize 15 alphabets in a particular order, he organized them into groups of three letters each and memorized them in the given order. In this scenario, John has used the tactic of

Chunking

Explanation:

Chunking is a term referring to the process of taking individual pieces of information (chunks) and grouping them into larger units. By grouping each piece into a large whole, you can improve the amount of information you can remember. So that's what John did by grouping them into 3 letters each.

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.

no, dan should reduce his discretionary spending. not long-term goals involve more planning than short-term goals do