The telegraph
Samuel Morse sent the first telegraph message from Washington DC to Baltimore in 1844. The message he sent said, "What hath God wrought?"
Within a decade, thousands of miles of telegraph cable lines were in use all over the United States, and then by the 1860s a transatlantic cable connected the USA to Europe for communication.
The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet. The Vice President is also part of the Executive Branch, ready to assume the Presidency should the need arise.
In political science, a "nation" refers to a group of people who feel bound into a single body by shared culture, values, folkways, religion and/or language. A "state" just refers to a patch of land with a sovereign government. States often coincide with nations (and are called "nation-states," but not always.
Answer:
No
Explanation:
Because there may be another way to find the answer; sometimes its not always in the same equation it may be somewhere they haven't looked or thought about yet