The answer to your question asked above is the last option or option D
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.
<span>The United Sates government kept a price ceiling on gasoline.</span>
the booming success of the economy and opportunities for jobs equaling into money which gives yu room for a better life than most of Europe at that time