It seems that you have missed the given options for this question, but anyway, here is the correct answer. Early civilizations developed along major rivers about 11,000 years ago. The following that was included as a consequence of early civilizations would be i<span>ndustry and manufacturing and also government and religion. Hope this answer helps.</span>
I think it is 50°. If 130 is also the angle of elevation, then it is also the angle of depression. So the two angles up there (depression and x) equal 180 so - 130 = 50.
Crossing the great plains, hope this helps! :)
The civil war wasn't self defense, it was a war over the issue of slavery and the rights of the states, so I'd eliminate B. The south actually had the superior military leaders, the North was struggling with that part, so it's not C either. And D isn't an advantage, it's just a stand view, so that leaves the answer to be <span>A. The north had more natural resources. </span>