There has been growth in the market, showing that customers have the slump. unprecedented / negated insignificant / proven unpresidented / endured unusually / worsened

i literally just read the book and studied it for months so i could you, but i need to know where these questions are coming from. they are too general.

do you know the answer?

i decided to stay late in the laboratory to continue my experiment with the lightbulb. at midnight, thomas edison opened the door and saw all the stuff he was working on. the lightbulb, film and the transmitter. as he walks in an idea hits him on how the lightbulb would work. he would have to change a few wires around to get it to light up. when he did change the wires around it worked so he decided to write a telegraph to his friend to tell him about his success.   as he was packing up he grabbed the telegraph and walked to his home. he told his wife about the success and the next morning mailed the telegraph.