Slavery was
a. not allowed in rome.
c. common in the ancient world.
b. only used on large roman estates.
d. only allowed outside italy.

Slavery was common in the ancient world. However, as opposed to the slavery of African-Americans, in the ancient world slavery was not a concept tied to any race, anyone could become a slave, regardless of their color.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.