Japanese samurai were drawn to Zen Buddhism because of its teachings emphasizing discipline and self-control.
To complete the sentence, you would need to select an option from the drop-down menu. Since you didn't provide the options, I'm unable to select one for you. However, based on the context, it is likely that one of the options in the drop-down menu would be a term or a philosophy that was attractive to Japanese samurai due to its teachings emphasizing discipline and self-control.
