Answer:
I'd say the telegraph.
Explanation:
Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication.
The result of Nat turner's revolt in Virginia led to the murder of hundreds of innocent blacks. Also, to suppress the revolt, 3,000 militia members were called in to control the revolt
[hope this helped, x]
The correct answer should be D. wealthy land owners
The country's economy grew immensely making it an international contender when it came to production. Wealthy land owners usually owned the land with ore mines and farms.
Tension is the answer
hope it helped!