Regarding the second question, there are two inarguable points to make at the outset.
I have a very big problem, however, with presenting that work as an inarguable "fact".
It was expressed in patronship, inarguable empathy, and misunderstood so persistently it now seems almost a fancy myth.
But the courage with which he worked in his Ebola-stricken native land is inarguable.
The RNC numbers are inarguable and damning, and there is only Steele to blame.
The speaker conjures up centuries of collective sagacity, aligning oneself with an eternal, inarguable good.
They acquired a worldview, and one that would leave an inarguable imprint on history.