Which characteristic ultimately led to General McClellan’s replacement as Commander of the Union army?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Ahis organizational ability%0D%0Ahis organizational ability%0D%0A%0D%0Ahis cautious nature on the battlefield%0D%0Ahis cautious nature on the battlefield%0D%0A%0D%0Ahis reckless nature on the battlefield%0D%0Ahis reckless nature on the battlefield%0D%0A%0D%0Ahis failure at the first Battle of Bull Run