IN ENGLAND DYNAMITE WAS INVENTED ON 7TH MAY 1867.
IN SWEDEN DYNAMITE WAS INVENTED ON 19TH OCTOBER 1867.
The answer would probably be, trade because the Great Depression caused a loss of economy
To gain support for the revolutionaries. The story was exaggerated, but the American people bought it. It was used as a recruitment/propaganda campaign to turn as many people against the British occupation as possible.