The Constitutional Convention took place from May 14 to September 17, 1787, in Philadelphia, Pennsylvania. The point of the event was decide how America was going to be governed.Although the Convention had been officially called to revise the existing Articles of Confederation, many delegates had much bigger plans.
In the cartoon, now-prosperous immigrants object to further immigration to America. The meaning behind the prosperous immigrants' shadows is that there is an underlying secret to how the immigrants became prosperous or their lives are in danger because they are more prosperous than the locals.
Hope the attached answer helps
The answer is A. Grasslands.
