Telegraph
Inventor:?
What is it:?
what was an impact:?

I uploaded the answer to a file hosting. Here's link:

https://cutt.ly/kzjInUL

Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations

racism and segregation.

the answer is c.

hope this : )