Yes, it's a dependent clause.
A. Wasn't.. This is because if you seperatevthe contractioninto two words it is was not, this would make the sentence be "Wally was not capable of lifting the heavy box."
If you were to do the same thing with weren't it would sound like "wally were not capable of lifting the heavy box." This does not make sense because "wally" is singular (so is "was not") and "were not" is pleural.
Hope this helps
Answer:
it didn't because it was too much of a chicken
jk, that was not funny at all
Answer: He felt things moved too quickly.
Henry David Thoreau believed that the pace of life during his time was too quick, and that it did not allow people to have enough time to appreciate all the details of life. He also believed that technological improvement was a way in which people lost control of their lives. Therefore, he advocated for a simple life of hard work and little distractions. This is exemplified in his work <em>Walden</em>.