New york city became the nation’s greatest commercial center because a. the erie canal funneled western produce down the hudson river/ b. goods were sold at much lower prices in new york than anywhere else/ c. it was the main hub of the nation’s railroad system / d. low city taxes on trade increased commercial transactions.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

the answer is alexander graham bell.