According to Leslie Bethell in his work "Why did the Creoles lead the revolutions in Latin America?" The statement "if the creoles had one eye on their masters, they kept the other on their servants, " implies that the Creoles fully understand the delicate situation of the colonies in which every group was constantly looking for power to override one another.
The masters are the penisulares: the Spanish settlers, while the servants are the mestizos, mulattos, Africans, and other Indian groups. The Creoles wanted to gain and retain political power in the colonies.
I would say option 2 because people could have different opinions on weather it was effective or not, which would allow you to make it into an argumentative essay.
Samuel Morse invented the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations
