The answer is Britain and France.
Answer: Source amnesia
Explanation:
Source amnesia is the inability to remember where, when or how recent an information was acquired while retaining the effective knowledge.
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).
D electronic media for researching purposes
The second sentence, "The science director's assistant placed the order yesterday afternoon," is written in active voice.