Answer:
I only know the roman empire but Im not sure about that
Explanation:
Note that it is asking for the change between <em>1921 </em> and <em>1926</em>.
Look at the graph, and choose the term that fits the graph as a description.
C. Immigration from Southern Europe showed the steepest decline between both years.
Percentage wise, a drop from ~300,000 to < 25,000 is a large drop, even more than all the others.
~
b; the industrial revolution affected northern communities more significantly than southern communities.
