In an effort to develop trade, Britain modifies their Navigation
Acts by repealing many of their duties. This provides equal
commercial rights to all nations that reciprocate these
concessions.
Citation:
Editors. "Further British duties are repealed to modify Navigation Acts".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17843, accessed 23 May 2013.]