How has the debate over federal-state relations been affected by efforts to increase homeland security?

Question

Need info for a paper

Answer 1

You could also turn your question around. The actions of an individual state can and has impacted the welfare of the entire country.
The current Supreme Court case where the Bush administration argues against the execution of Mexican rapists and murderers in Texas highlights several questions about States Rights. Can the judiciary overrule a treaty? Can a state court ever ignore it? Explore the 10th amendment.

Answer 2

If you weren't lazy and did your own work maybe you'd find the answer.