What are the answer choices ??
i think u forgot to put them in
30 to 40 percent in the first century B.C
Any options? A reason US joined the war was because German subs destroyed lusitania which had Americans on it. That's one of the main reasons we joined the war, if that's a option for your question then that's it.
If that is not a option let me know and i can further assist
Correct Answer: B. Slaves