The executive branch which is the president will negotiate the treaty and it must be approved by 2/3 of the senate then the president can ratify it
The first two battles were the Battles of Lexington and Concord, fought on April 19, 1775 and they were located in Massachusetts.
b. in trenches
trench warfare began in WWI as a way to avoid enemy fire and new technology such as bombs and mustard gas
Article III of the Constitution establishes the federal judiciary. Article III, Section I states that "The judicial Power of the United States, shall be vested in one supreme Court, and in such inferior Courts as the Congress may from time to time ordain and establish."
https://www.uscourts.gov/about-federal-courts/educational-resources/about-educational-outreach/activity-resources/about