Answer:
B
Explanation:
Miguel Hidalgo y Costilla
"Miguel Hidalgo y Costilla, (born May 8, 1753, Corralejo, near Guanajuato, Mexico—died July 30, 1811, Chihuahua), Roman Catholic priest and revolutionary leader who is called the father of Mexican independence."
https://www.britannica.com/biography/Miguel-Hidalgo-y-Costilla
They were going to let the people decide for themselves if they where going to allow slavery in their territories.
The telegraph changed society by facilitating communications among Americans. The telegraph gave Americans the chance to send and receive messages at an unprecedented speed and volume. Professor Samuel Morse, an instructor at New York University, created the first version of the telegraph in the 1830s, and, although well-planned, the device required significant revisions before allowing communications between the East and West coasts and eventually overseas
