Answer: John Muir
Explanation:
Because of his influential writings and role in the creation of multiple parks, he is often called "The Father of Our National Park System." John Muir also co-founded the Sierra Club in 1892 and was its first president until his death in 1914
I think a or d but in hot 100 percent sure
D. so Japan would not get the atomic bomb
EXPLANATION: The atomic bomb was justified to be made by the Americans because it would end the horrible war, many civilians in Malaya and Singapore (and Japan as well) would have perished. Hope this helps!