Answer:
I hope this helps any! :)
Explanation:
<em>What is Diagon alley: </em>Diagon Alley is a cobblestoned wizarding alley and shopping area located in London, England behind a pub called the Leaky Cauldron.
<em>How does Harry get there: </em>
Harry and Hagrid exit into a small courtyard behind the Leaky Cauldron. While Harry reflects on peoples' reaction to him, Hagrid taps the wall bricks with his umbrella and a hole appears, growing bigger and bigger, forming an archway.
The answer to the given question above would be the word or preposition AGAINST. The word against means "in opposition to" or something or someone who or that disagrees about something. Hope this answers your question. Have a great day ahead!
It shows that there are more sources for the reader to read, and it also is strong supporting evidence for the main idea.