D) second industrial revolution
Because the average temperature in the room also increased.
When we feel excitement, our blood will regulate faster and create faster metabolism. This will lead to higher body temperature because of the nutrient burning process. If this happen to all people in the arena, the average temperature is bound to be increased.<span />
Cotton became highly profitable and everyone who handled it from farmers to exporters made good profit this affect the southern states because the more the cotton the more the slavery
<span>Well mostly, people identify more strongly with regional and ethnic groups than with the nation...perhaps I'd go with the option A.</span>
