During the english civil war, supporters of the king were mostly puritans. members of parliament. noblemen. roundheads.

correct. it is Noblemen, C

During the English Civil War, supporters of the king were mostly: Noblemen

These noblemen gave their support to the king because they are given with large amount of wealth and influence by  the status granted from by the King while the opposition  of the kings tend to be commoners who have to constantly face the threat of hunger.

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.