The correct answer is A. Slavery was not an issue
In the beginning of the 1800's slavery was still a big thing in the south even though the North disproved of it. That is one of the main reasons why the civil war was fought and why the emancipation proclamation was made to free the slaves from rogue states.
Slate is much more commonly found in wet areas, especially around rivers in the United States, so it wouldn't be very available to Natives who were more inland.
The answer would be “ The Huns attacked more than seventy cities throughout the empire “
Climatic condition was the major factor for migrating to new places.
The two main principles that form the base for Confucianism are Jen and Li. Jen means humane, or humanity. This is to include what makes man distinctively human. <span>Li is considered the principle of gain, such as why people will actively seek out personal relationships and what people gain from society as a whole. Hope this helps.</span>