The statement that best analyzes the politics of immigration in Europe and the U.S. is:
Immigration policy in Europe and the U.S. are both impacted by the opinion of the public and their perspective on the national origin of the people attempting to immigrate across their borders.
This response acknowledges the influence of public opinion in both regions without implying that one is significantly more affected by it than the other. It reflects a more nuanced understanding of how immigration policies can be shaped by societal perspectives in both Europe and the U.S.