Answer:
Organizational encoding
Explanation:
The use of organizational encoding will probably lead to better recall of words when participants in a memory study are presented with words that belong to one of four categories (e.g., insects, beverages) instead of being presented with words that have no apparent relationship to one another.
Plateau because of the fresh water I think
The most common underlying reason is “Chronic Pain”.
After the death of Marcus Aurelius, the Roman empire slowly started to decline. Potential new emperors began to focus on pleasing the rich Patricians at the expense of the poor plebeians . The resulting decadence was just one reason for the fall of the empire.
(It needs to be pointed out that as the question seems incomplete and lacks more context, the answer might not meet the its standards).