Answer:
1000 years
Explanation:
The Roman Empire was one of the greatest and most influential civilizations in the world.
The Proclamation applied in the ten states that were still in rebellion in 1863, and thus did not cover the nearly 500,000 slaves in the slave-holding border states (Missouri, Kentucky, Maryland or Delaware) that had not seceded. Those slaves were freed by later separate state and federal actions.
<span>Post-classical history is a periodization commonly used by the school of "world history" instead of Middle Ages which is roughly synonymous. The period runs from about 500 to 1450 AD though there may be regional differences and debates. Hope this helps!!!</span>