The answer to this question is that the country who vied Spain for
control of the Mississippi River is Spain. On the 9th of April 1682 La
Salle announced that he was to claim the entire Mississippi River basin
for France. He even renamed it La Louisiane after Louis XIV.
The country who vied Spain for the control of the Mississippi River is France. I just took a quiz on this and this answer is correct. Hope this helps. :)
Explanation: George Washington took over treaty negotiations with the Creek Nation of First Nations and also took a line of neutrality in foreign affairs since he knew his country was militarily rather weak since it was a fledgling country so preferred to not make war on foreign powers.
