a dispute over bird droppings
... that a dispute over bird droppings was connected to the impeachment of U.S. president Andrew Johnson?
... that <b id="mwBkE"><a href="./Alto_Velo_Claim" id="mwBkI" rel="mw:WikiLink" title="Alto Velo Claim">a dispute over bird droppings</a></b> was connected to the <a href="./Impeachment_of_Andrew_Johnson" id="mwBkM" rel="mw:WikiLink" title="Impeachment of Andrew Johnson">impeachment of U.S. president Andrew Johnson</a>?