There were many problems. I will name one. Engineering, when building the Panama canal this thing on this large of a scale was new. So the engineering was complicated.
Answer:
this is an opinion question you really gotta realize how you feel about the topic.
Johannes Gutenburg
It is thought that early presses existed in China as far back as the 8th century, but Johannes Gutenburg is credited with inventing the printing press which was used in Europe in around 1440.
A good skit for the 10th amendment would be I would have to say
well the tenth amendment expresses federalism where the power is split between the state and federal government.
1. maybe a play where someone is in the state government and also one person in the federal government and them coming up with federalism and how the power is split.... just an idea :-)