I don't think your last two answers are correct.
The first two are right.
Inventor of Steamboat?
Answer : Robert Fulton
Name of his first steamboat
Answer : Clermont
Effects of invention were faster and cheaper ___ on rivers and oceans
Answer : loads
Opens new ______ for trade since it can travel faster with heavier loads than sailing ships
4 answers
Is the third one trade
And is the last one routes
They could be right.