Final answer:
In the 1800s, the telegraph was the new technology that enabled imperial nations to communicate quickly with their colonies.
Step-by-step explanation:
In the 1800s, the new technology that helped imperial nations communicate quickly with their colonies in other parts of the world was the telegraph. The telegraph allowed messages to be transmitted over long distances using electrical signals. It revolutionized communication by greatly reducing the time it took for information to travel.
Learn more about The telegraph and its impact on communication in the 1800s