Botton.js: import React from 'react' ; class Button extends React . Component { render (){ const { change , locale , show } = this . props ; return ( <> < button type = 'button' onClick = {() => change ( locale )}> { locale === 'bn-BD' ? "change clock" : "গড়ি পরিবর্তন করুন" } </ button > { show && < p >Hello</ p >} </> ); } } export default Button ; Clock.js: import React from 'react' ; import Button from './Button' ; class Clock extends React . Component { state = {date: new Date (),...