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 it is a. i learned this back along.
Answer:ania when the population got too bigwhat colony broke off of Pennsylvania when the population got too bigwhat colony broke off of Pennsylvania when the population got too bigwhat colony broke off of Pennsylvania when the population got too bigwhat colony broke off of Pennsylvania when the population got too bigwhat colony broke off of Pennsylvania when the population got too big
Explanation:
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Hong Kong was gained during the Opium wars.
