Answer:
<h2>Internet based E mail</h2>
Explanation:
Ray Tomlinson was the computer programmer credited with the implementation of the first email program on the Arpanet system, it was able to send emails between users on different hosts that were connected to ARPANET. It was not possible earlier. For this he used @ sign and separated the username from the machine name. This scheme is still used in the e mail addresses.
A company that overcharged Union Pacific on purpose so the stockholders could pocket the difference and give some of the money to Congressmen
Answer:
he wanted it to stop
Explanation:
he stopped slavery i think