The number of cotton mills in the south<span> increased from 161 to 400 </span>after<span> the </span>Civil War<span>.</span>
The gradual decline of the Roman Empire ushered in an era of European history called the Middle Ages, or the medieval period
In modern historiography, polis<span> is normally used to indicate the </span>ancient Greek city-states, like Classical Athens and its contemporaries, and thus is often translated as "city-state<span>".</span>
The average, year-after-year conditions of temperature, precipitation, winds, and cloud in an area are known as its "<span>a. climate", since these conditions tend to determine the ecosystems that exist in different locations, which are dependent on different climates. </span>