Why is random sampling a better choice when making an inference?

In “the things they carried”, why is jimmy unsure when martha calls the pebble “a token of her truest feelings”

What object do the men think of as a trifle?

"in what ways does the struggle for freedom change with history? " provide one specific change that malala struggled for(only if you've read the book). think of how malala describes change and what motivated her to struggle for change. write at one complete paragraph with a minimum of 5 sentences.