Please provide REFERENCES for both questions separately.

Q1- Americans with a Better Cause (ABC), a nonprofit organization, files a suit against the U.S. Department of Justice (DOJ) claiming that a certain federal statute that the DOJ is empowered to enforce conflicts with the U.S. Constitution as well as with a state constitution. In each situation, which source of law has priority?

Q2- Eve is walking to work along a sidewalk next to a road. A National Distribution Company (NDC) truck strikes and injures Eve, causing her injuries that result in more than $100,000 in medical expenses. Eve is a resident of California, where the accident occurred. NDC has its principal place of business, and is incorporated, in New York. In what court may Eve sue NDC?