Answer:
July 28, 1914 – November 11, 1918
Explanation: These are the dates for World War One from start to finish.
Britain and France, standing by their guarantee of Poland's<span>border, had declared war on Germany on September 3, 1939.</span>
For the answer to the question above, I believe the answer among the choices that you have given is multiple choice letter D. <span>Africans and Europeans shared immunities to Old World diseases.
I hope my answer helped you. Have a nice day!</span>
