The transition word which is not correctly used in the passage is moreover.
As you can see in this sentence (<span>Moreover the invention of television and digital media, such as the Internet, most ads appeared in newspapers, magazines, and the radio.), something is wrong - the sentence doesn't sound natural or grammatical. This is why that word is the one which is used incorrectly, whereas the other sentences are good.</span>
<span>The Pason letters show us the correspondence of members of the gentry Paston family, and those connected to them in the 1422-1509 </span>
No no fiction is if factual so no theorys can be made
