The telegraph helped imperial nations communicate quickly with their colonies in other parts of the world
Step-by-step explanation:
The invention of the telegraph along wit the morse code ushered a new era of efficient and fast communication between places that was simply never possible before the technical innovations happened.
The availability of the telegraph meant that the important messages could easily be conveyed to the colonies from the imperial nation making it easier to control and govern them from the home nation and allowing for a better and more efficient administration.