Answer:
Correct answer is He calculated the value of pi.
Explanation:
Archimedes was the first one who managed to calculate the value of pi in the 3rd Century BC.
Second option is not correct as this can be attributed to Isaac Newton.
Third option is not correct as this can be attributed to Euclid.
Last option is not correct as he never supported this idea.
Railroad companies paid the people to kill buffalo so that they wouldn't be blocking their tracks.
France gave its land east of the Mississippi to England the treaty of Paris