Technologies like the telegraph cable depicted in the map above had which of the following effects on empires in the period 1750–1900 (C) E.?

(A) Empires were slow to take up advanced communications technologies until the end of the nineteenth century and did not realize much benefit from them. (B) Empires were able to grow much larger as messages and information could travel at very rapid speeds. (C) Empires only used technology like telegraph cables for military purposes, as they were too expensive for daily public use. (D) Empires found expansion more difficult as communications technologies like the telegraph diffused quickly all over the world.Explanation: The telegraph allowed communications to travel over the world near instantly, bridging gaps that would have taken weeks or months to traverse and effectively “shrinking” the world. This also allowed empires to grow larger to accommodate their expanded reach. Eliminate (A); this is the opposite of what actually occurred. Eliminate (C) because common people used telegraphs just as often as governments. Eliminate (D) because only the most modern nations had access to the technology required to set up telegraph connections. Choice (B) is the answer.