Below is screenshot of history.
Below is screenshot of all history being selected.
Picture
Below is screenshot of all history deleted.
Below is screenshot of Sparks page.
Below is screenshot of Sparks page with a sentence added at the bottom.
Below is screenshot of Publishing the edited page.
Below is screenshot of the live Sparks page without the added sentence.
Below is screen shot of error when I try to drag files (screenshots)  below my reply. I get a green box with white "+" which means I am copying/uploading a file followed by the error.