What’s the plot of Percy Jackson the lighting thief and a a quote where it describes the plot include page

Can someone me with an english language arts assignment? i need someone who's an expert or good at english language ! i need correct answers only !

Read the excerpt from the dark game: true spy stories from invisible ink to cia moles. yet, by the time robert e. lee surrendered to ulysses grant at appomattox, virginia, some four years later, about 620,000 soldiers had died on the battlefields, more than american battle deaths in all other wars from the revolution through the vietnam war. what is the author’s primary purpose for including this detail? to inform readers about the differences between three military conflicts to persuade readers of the seriousness of the american civil war to entertain readers with tales from behind the lines of battle to encourage readers to visit battlegrounds in appomattox, virginia

Why does the author of exploring the titanic give background information about his youth and education? to show his lifelong love for the ocean