What is one word for someone who thinks that he/she knows it all?

"well, i know," she said. "you'll pretend you were men instead of babies. . and war will look just wonderful, so we'll have a lot more of them. and they'll be fought by babies like the babies upstairs." so then i understood. it was war that made her so angry. what point of view

How do you think gary soto’s experiences working in the fields influenced his attitudes toward work? from the story "one last time"

Im home schooled why does my mom make me do such hard work dx