I think it's D. Hindu- Arabic Numerals
Answer:
Hello, There! I'll be glad to Help
<h2>Question</h2>
Who came to the Mississippi River Valley to convert Native Americans to Catholicism, but did not try to change their customs?
<h2>Answer</h2>
French missionary
Explanation:
These friendly French missionaries worked with the Native Americans and coexisted peacefully. The French claimed the Mississippi River Valley, the Great Lakes region, and parts of Canada.
Hence, The Answer is Option D. "French missionary"
A vast network of roads and trade routes.
Hope that answered your question! :)
The answer is either A or D