Which of the following was an outcome of the Columbian Exchange? a The life expectancy of Native Americans increased. b Horses and smallpox were introduced in Europe. c The population of Europe decreased. d The diets of Europeans improved

The statement that was an outcome of the Columbus Exchange is "the diets of Europeans improved."

Explanation:  

The discovery of new regions with immense resources altered the trade between Europe and the outside world.

Base on the information the Columbian Exchange shows a positive impact on Europe, and it introduced new crops. Thus, the correct answer is option D.

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An outcome of the Columbian exchange was that the diets of the Europeans improved.

In conclusion, the correct option is D.

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what are local authorities doing to fix the problem

explanation:

what are local authorities doing to fix the problem

the answer is the letter b governor of new mexico territory