Your answer should be, "could stay in the country for a short time as guest workers."
The previous answer (it was deleted) was just sick. I can't believe someone would just put random letters on an answer just to get points. I hope this answer is correct and helps you.
<span>It was located in Germany. It was the largest concentration camp. Prisoners there were often used for forced labor. Medical experiments were performed on prisoners there. im sure about these</span>
