Simple...
What is the ability to bounce back from setbacks or disappointments?
B.) Resilience
Thus, your answer.
Answer:
<em>A</em><em> </em><em>and</em><em> </em><em>C</em><em> </em><em>one</em><em> </em><em>of</em><em> </em><em>each</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
There were no regulations in the meatpacking industry, they were paid poorly and there were no repercussions in acting as they did.
They are disease causing organisms.