Why was the increased size of the final design a problem?

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes

just finished this it is b. centrifugal force

hello,

the steamboat is your answer.

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