Articles of Confederation. The Articles of Confederation and Perpetual Union was the first constitution of the United States.
A coming together, to "blind the nation's wounds"
Answer: Over 22,000 Texans died of wounds or were killed.
Explanation:
I would make a law where anyone can come over to the United States and stay, regardless of their legal status. Open borders, where anyone, from anywhere, can, in exchange for providing ID, a customs/smuggling/invasive species check of their belongings, and maybe a health check, they get in. Once in, a separate but similarly simple process to get a green card. Following a suitable period of residency, say, 5-10 years, citezinship (if they want it). It would be suitable for this law to fall under the Legislative Branch, as it makes all laws (including laws relating to immigration), declares war, regulates interstate and foerign commerce, and controls taxing and spending policies.
The main reason why American soldiers used Agent Orange was to eliminate the forrest coverings in Vietnam during the war, in order to eliminate the hiding spots of the enemy.