answer the following questions and give full detail to specifics in the US constitution.

1. Hypothetical Question in Constitutional Law: The President of the United States has signed a treaty with Canada and Mexico which allows cargo semi-trucks from those countries to enter the United States and travel across it. However, the State of Texas, has passed a law banning all semi-trucks entering from Mexico from using the interstate highways unless those semi trucks have a State of Texas Vehicle Registration and pass a Vehicle Safety Inspection. The President has asked the Supreme Court to intervene and rule this Texas law unconstitutional. What constitutional conflict is involved here? How would you apply the constitution in this case? How would it be resolved using the text of the constitution?

2. The Navajo Nation, a large Native American group in the southwestern US, has decided to organize its territory as a new state of the United States called "Dintah" by consolidating together the lands it has in Utah, Colorado, Arizona, and New Mexico. Representatives of the Navajo Nation have approached you to advise them of whether statehood is possible and how they should go about accomplishing this. Using the text of the Constitution, how would you advise the Navajo Nation? Explain your answer.

3. Hypothetical Question in Constitutional Law During a particularly competitive game of Hungry Hungry Hippos, the Vice President reveals to his playing partner that he has personally received money from the game publisher, Hasbro, to lobby Congress to make sure Hungry Hungry Hippos is declared the nation's official tabletop game. His playing partner, who just so happens to be very close to the President, tells the Vice President that there might be a problem since he knows the President has been receiving payments from a foreign government into a secret bank account to make sure Jenga becomes the official boardgame of the U.S. by executive order. What Constitutional crimes have been revealed in this conversation? Explain using the text of the U.S. Constitution.

4. Hypothetical Question in Constitutional Law The United States President has decided that control the world's maple syrup supply is a national security priority. Therefore, in the name of national security, the President has commanded the US Army to begin an invasion of Canada and annex the annexation of its territory. After some weeks of fighting Canada has surrendered and the United States is victorious. The President now plans to announce the annexation of all of Canada tomorrow. Some in Congress are uncomfortable with all of this and have sought your advice. Are any of these actions by the U.S. President allowed under the U.S. Constitution? Make sure to answer using the text of the constitution and explain your answer.