John Marshall,
Hughes v. The Union Insurance Company…
“ In that case too, the insured traded, and the delay was considerable and unnecessary; the risk, if not increased, might be, and certainly was varied. The judge, therefore, ought not to have left it to the jury on the single point of increase of risk by taking in the jackasses. Although the risk might not be thereby increased, the unauthorised delay and unauthorised trading during that delay, connected with taking on board unauthorised articles, discharged the underwriters according to the settled principles of law ”
