some people think coffee is good to drink while studying. but some think black tea is better choice there is a argument between this. for those who think coffee is beneficial for health that's false because coffee can give you discomfort, anxiety, insomnia etc.. it's better to drink water if you're thirsty don't be addicted. moderate you're coffee habits and enjoy life.
I believe that the sections that answer the question are "We will not only defend ourselves to the uttermost..." and "With confidence in our armed forces..."