The Declaration of Independence.
Answer: Electronic mail
Explanation:
Electronic mail is the exchange of messages between people using electronic devices. Electronic mail predates and was also crucial to the establishment of the Internet.
Electronic mail (E-mail) started in 1965 as a way for the multiple users of a time-sharing mainframe computer to communicate and send amesages across to each other.
The South wanted to continue with slavery while the North decided to rid thw Nation of subjugation abd slavery
During the Gilded Ages, social problems arose such as the dominated discussions with regards to the different classes such as better, dangerous and respectable classes, which arose during the development of the US into an Industrial economy. Another Social Problem was that the described overworked individuals in the Fall River was described by the owners as sc#m of the English and Irish men.
This term was known as popular sovereignty and resulted in debate over many decades in both State legislatures and the United States congress. It led to tension across the free and slave states, even leading to a event known as Bleeding Kansas in which the residents would determine whether to be free or slave