The answer is a telegraph.
Especially known as the creator of the incandescent lamp, Thomas Edison was responsible for several devices important to the trajectory and development of mankind.
<u>One of the earliest inventions that made Thomas Edison famous, the phonograph was the first machine capable of recording and reproducing sounds.
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The telegraph breakthrough occurred while Edison was trying to improve the telegraph transmitter when he realized that the movement of the paper tape through the machine produced a noise that resembled spoken words when played at high speed.
I will give my best shot. I think they justified their reason to conquer the Aztec and Inca Empires in the name of their religion, christianity
San Antonio was the seat of power for the Tejas area. Even though, Texas was not an individual state (it was part of the larger state of Coahuila y Tejas) it still had and did many of the things that other states did. THE size and population of Texas demanded that it have a more local regional government than the one located hundreds of miles away in Coahuila. The city became even more sought after during the Revolution. Santa Anna thought that taking San Antonio would help to squash the rebellion. However the Battle of the Alamo became an inspiration for the Texians and Tejanos fighting for freedom.