The answer is - between Europe, Africa and Asia.
The Byzantine Empire had a territory that was spreading on parts of this three continents, more specifically, it had parts of the edges of this three continents which were trading roots both on land and on sea for centuries before. So the Byzantine Empire took advantage of it and grew enormously in power and wealth because it had control over these trading roots.
Explanation:
The answer is China economy contracted as Norman's from the North raided village and threatened cities. China economy expanded as farmers using iron tools were able to grow more food
In paleoanthropology, the recent African origin of modern humans, also called the "Out of Africa" theory (OOA), recent single-origin hypothesis (RSOH), replacement hypothesis, or recent African origin model (RAO), is the dominant model of the geographic origin and early migration of anatomically modern humans
<span> It consisted of laws admitting California as a free state, creating Utah and New Mexico territories with the question of slavery in each to be determined by popular sovereignty, settling a Texas-New Mexico boundary dispute in the former's favor, ending the slave trade in Washington, D.C., and making it easier for southerners to recover fugitive slaves.</span>
The code of Justinian consolidated all the laws of the Byzantine Empire and influenced Western legal systems for centuries. With his code, partially written by Justinian and his advisors, Rome was able to endure another thousand years.