The answer is C. You're welcome, if you have anymore questions. Please ask.
Answer:
the answer will be A) John Fitch combined old methods of constructing boats with new technology to create the first steamboats.
The phrase "and thus" signals a cause-and-effect relationship.
Ex: I grew up with my dad never being home, and thus, have no fond memories of him.
Answer:
ther is this soda comercial that has this thirsty dude in the desert and it is pretty wierd if you want to see it search lemon lemon ad