4 federal system questions. Asap fast please!!

1. What is federalism? Why is it by its very nature fraught with conflict? What are some examples of this conflict?

2. Which level of government should have control over American policies on drugs? Why did you choose the level that you did? What issues might there be with having that level in charge?

3. What is the supremacy clause and why is it important? In what ways did it clarify the federal system in the United States? In what ways did it complicate the arrangement?

4. What is the necessary and proper clause and why is it important? In what ways did it clarify the federal system in the United States? In what ways did it complicate the arrangement?

Explanation:

food chain i would say only because there is competition on getting food and survival

answer: my personal opinion is the black spider because he is more powerful than spiderman.