The best answer is:
Samuel Morse and the telegraph
Robert Fulton and the steamboat
<span>Cyrus McCormick (Inventor of the Mechanical Reaper) so its improved because he invented a better one than ones already invented
</span>hope this helped :)
To the judicial branch to be interpreted and then the executive enforces laws
Electric cars are changing society because they reduce the amount of emissions that contribute to climate change and smog.They also have fewer moving parts than their traditional counterparts, so they need fewer people to assemble them and fewer supply chains for getting the necessary parts. With fewer moving parts, market for spare parts and maintenance will decline.
hope this helped!
That would be in an o<span>ligarchy. </span>
