I need help again HELP PLEASE

How can i use "as william walking with his wife was seen" as a short sentense

Create an explanatory essay outlining a technological advancement during the industrial revolution in england, and how this advancement impacted the workers. compare this information with information you have researched about a twenty-first century hardware invention, how this has changed lives, and how the workers who create the hardware are impacted. construct a strong conclusion, making a connection between technology of the past and present.

Which is these is not a benefit of parallel structure? a)clarity b)classification c)emphasis d)balance