I would have to say B, due to not getting to hear the audio I am merely assuming.
The correct answer is C. The Roman pull-out from Britain.
Indeed, the soldier Roman soldier Flavius Claudius Constantinus decided to take the title of Western Roman Emperor in 407 A.D. (5th century), adopting the imperial name of Constantine III. He failed, however, to protect Roman Britain from Anglo-Saxon invasions and raids and his rule was ultimately rejected by the Roman-Britons who decided to arm themselves. and organize their own protection. They also failed to protect their territory from these invasions and were conquered by the Anglo-Saxons, who ended up dividing the territory into seven Saxon Kingdoms, the Heptarchy.
Answer:
B, Depending on the situation if it is a good situation I would say B but if it is a ruthless situation I would go with C
Explanation:
I would say that it's one of the last two. Although I'm leaning more toward the second to last one.