illegal entry
... that to combat illegal entry by foreign nationals, India and China are currently building security barriers at their borders with Bangladesh and North Korea respectively?
... that to combat <b id="mwBzQ"><a href="./Illegal_entry" id="mwBzU" rel="mw:WikiLink" title="Illegal entry">illegal entry</a></b> by <a href="./Foreign_national" id="mwBzY" rel="mw:WikiLink" title="Foreign national">foreign nationals</a>, <a href="./India" id="mwBzc" rel="mw:WikiLink" title="India">India</a> and <a class="mw-redirect" href="./People's_Republic_of_China" id="mwBzg" rel="mw:WikiLink" title="People's Republic of China">China</a> are currently building security barriers at their borders with <a href="./Bangladesh" id="mwBzk" rel="mw:WikiLink" title="Bangladesh">Bangladesh</a> and <a href="./North_Korea" id="mwBzo" rel="mw:WikiLink" title="North Korea">North Korea</a> respectively?