Spain had the strongest navy in the world at the time of the French and Indian War. The correct option among all the options given in the question is option "a". Between the years 1689 to 1763 Great Britain and France fought wars for the North American colonies. The actual French and Indian wars were fought between the years 1754 and 1763. It was not actually a war that was fought with the Native Indians but the war was fought between France and Great Britain in regards to North American colonial control. Most of the Native Indians were in support of the french during this phase of the war.