I believe it is D because the allies weren't formed yet before war broke out but when it did, that's when the allies were formed.
Explanation:
Amoeba depends on simple diffusion of gases from breathing. The exchange of gases in Amoeba takes place through its cell membrane.
Answer:
A noun is a word for a person, place, or thing. (It might be helpful to think of a noun as a "naming word.") There are different types of noun, but all nouns can be classified as either a proper noun or a common noun.
Once we've discussed proper nouns, we will cover common nouns and the nine types of common noun.
D is what I think would make the most sense.
