Answer:
Their similar sounds
Explanation:
Homophones are words that sound the same but look different like:
Their, There, and They're.
Canada and U.S. is the wealthiest
Southern Africa is the answer to the question for sure.
Americans were first attacked in Pearl Harbour by Japanese during WWII,leading them to join the war,the event is called Pearl Habour Incident.
Hope it helps!
