I think C or D I’m not 100% sure
Hello there, and welcome! :)
Garret Morgan actually invent two things to be honest! (which are: gas mask and traffic light)
But from your choices on here, he invented the The Traffic Light (option B.)
Good luck on your assignment and enjoy your day!
~MeIsKairlyn:)
The Vietnam war occurred because north corea and south corea were fighting if all of Corea should be a communist or union country. started November 1st 1955 - April 30th 1975
China is the right answer
Answer: Kazakhstan and Uzbekistan
Explanation: