Samuel Morse invented the telegraph. The telegraph allowed for the United States to continue expansion westward but still be able to communicate with more areas of the country. This communication system typically followed along rail routes and if a rail line was close by this communication system could be used to issue alerts, news, and messages across the country. This technology allowed for a capital on one side of the country to keep tabs on the other coast.
Answer:
The two categories are developed nations and developing nations. Developed nations are generally categorized as countries that are more industrialized and have higher per capita income levels. ... Developing nations are generally categorized as countries that are less industrialized and have lower per capita income levels.
Answer:
The ming Dynasty rules china from 1368 to 1644 A.D., during which china;s population wouls double. Known for its trade expansion to the outside world that established cultural ties with the west, the Ming dynasty is also remembered for its drama, and world-renowned porcelain.
Explanation:
As a result of the energy crisis, in 1973-1974, U.S citizens became aware of ecology. If not, their environment would be endangered.
