Letters of condolence were received from all parts of the country, and even from foreign potentates, but Mr. Andrew Johnson, the successor of Mr. Lincoln, never called on the widow, or even so much as wrote a line expressing sympathy for her grief and the loss of her husband. Robert called on him one day to tell him that his mother would turn the White House over to him in a few days, and he never even so much as inquired after their welfare.
Behind the Scenes by Elizabeth Keckley
The phrase “never even so much as” appears twice in this excerpt. What tone is communicated by this phrase?