Read this passage, noting which details are relevant, and which are unnecessary.
the deeply indented coastline of japan provides a number of excellent harbors on the pacific coast, and its shores abound in fish of all kinds, the rich supplies of which have for centuries constituted one of the chief articles of food of the people. the fishing industries have to provide japan with a recruiting-ground for one of the strongest and most formidable navies of modern times. you are trying to find facts and evidence to answer the research question, “how has japan’s geography affected its development? ”
which of these details would be relevant?
deeply indented coastline
excellent harbors
shores abound in fish of all kinds
rich supplies of fish
one of the chief articles of food
most formidable navies