Answer:
Explanation:
Supremacy Clause. a provision of the U.S. Constitution that states that the Constitution, federal laws, and treaties of the United States are the "supreme Law of the Land
D and B I’m almost certain but if you’re still not sure I would look it up or ask ur teacher for help
Barrages and Dams were built to manage the Euphrates river. I hope this answer helps.
The last one is your answer sorry if you dont get it right
