There are no options to choose from and this question needs to be answered based on research and knowledge. I hope the answer satisfies you. The Indo-European language is thought to have originated around Iran and Azerbaijan. This can be understood from the fact that Arabic is spoken in Saudi Arabia and it is a Semitic language.
In reality, the United States did not exist as they presently do after the signing of the Declaration of Independence.
However, the representatives of the colonies stayed in Philadelphia for several weeks after the signing.
The colonies were told to get ready for war against the British.
Was made to share information, ideas, and culture. Astronomical observatories ended up being built as well.
A primary source would be an eye witness account of the event. Someone who seen it happen.