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 :)
I believe the answer you are looking for is A.
The answer to this question is Option C. Get an advanced degree
It was Alexander the Great of Macedonia who conquered Persia in the 330s BC, in what became known as one of the most significant takeovers in history, since it led to the fall of the Persian Empire.
