I found two possible answers for the first one.
http://en.wikipedia.org/wiki/Bessemer_process
I agree with your second answer.
please check
The escaped slave who started an abolitionist newspaper was
William Lloyd Garrison
Without Bessemer process, Americans might not have been able to create
a. train engines
b. sewing machines
c. the Morse code
d. the Brooklyn Bridge
A
According to the Great Compromise, the number of representatives in the Senate would be
a. the same number for every state
b. based on a state's population
c. two for large states, and one for small states
d. affected by the size of a state's enslaved population
A
:)
2 answers
is the first one wrong
and
is the second one D?
and
is the second one D?