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The sheer size of the empire eventually became problematic - it was too large to manage and became more susceptible to barbaric invasions. In 284 CE a new emperor came to power. His name was Diocletian, and he understood the problems facing the empire.
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sorry my answer is different and i didnt took answer from your points.
The answer would be the letter B
One significant advantage that Frederick Douglass had over many other slaves was "literacy," since his ability to read and write eloquently allowed him to make forceful and compelling arguments against slavery.
Answer:the columbian exchange ws trading between columbia and america they traded clothes and gun powder
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