The setting would be 'modern day' London. Modern day when it was written in the late 1800s.
The text will be written in first-person point of view.
We must, therefore, acquiesce in the necessity, which denounced our Separation, and hold them, as we hold the rest of mankind, Enemies in war, in Peace Friends.
The two ways the cobbler can mend Murellus is by fixing his shoes, as it is his job. Or he can beat him up, like straighten up his thinking. I think the cobbler uses mend as in beat him up because Murellus is not agreeing with the cobbler.