Well in October 7, 1763 king george III issued a proclamation that forbade colonial settlement west of the appalachian mountains. he hoped to placate native americans who had sided against him during the recently concluded seven years war.
I think A. would be the best answer
<span>Ed Stafford made history by being the first person to walk the entire length of the Amazon River. The journey by foot took him 860 days, beginning in April 2008 and ending in August 2010.</span>
I believe the answer you are looking for is Tributary.