15 liters 3.9626 US gallons = 3.2995 imperial gallons.
45 liters 11.89 US gallons = 9.899 imperial gallons.
600 liters = 158.503231 US gallons. The search engine Google has a built in calculator which can be used for converting between different units and making calculations. Answers are given directly, when you type in your question in the required format.
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.