Explanation:
The sentence should be "The cake smells sweet." or "The cake is smelling sweet." The sentence is missing punctuation and capitalizing the beginning letter in the sentence. I would also prefer the first sentence as it has more consistency.
C i’m so sorry if that’s wrong tho
Answer: The journal of someone who was there at the time.
Explanation: The journal of a person who was present at the fall of the Berlin wall would be a perfect source, or footage of the event, or anything first-person. People who were actually there and participated are always the best sources for any historical event. (: