Answer:
Inventors noticed amongst other things, that the telegraph as invented by Samuel Morse could not transmit non-English texts because of the absence of letters with diacritical marks. It was also discovered that the Morse code could not send/transmit signals in two different directions on the same wire.
Explanation:
A telegraph is an instrument or device that is used to send messages or communicate between people with the use of electric impulse or coded signals. The electric version of the device was invented by Samuel Morse in the 1830s. In improving the device, inventors like Thomas Edison noticed that the Morse code used for the traditional telegraph could not transmit signals across two different directions on the same wire, so he invented the quadruplex telegraph which was capable of sending signal along different directions on the same wire.
Answer:
Right choice:
B. Putting interests of a particular section or region above those of the nation…this refers to the growing cultural and economic differences between the North and South in the years leading up to the Civil War.
Explanation:
The most divisive issue was slavery, free states versus slavery states, abolitionists of the North against the pro-slavery establishment in the South. The two parts of the USA had different economic systems, with the South being agrarian and the North being industrial. There were major divergent commercial and business interests, too.
Because they were so expensive, his steamboats were unsuccessful. The first successful steamboat was the Clermont, which was built by American inventor Robert Fulton in 1807.
Answer:
always lose some energy as heat
Explanation:
The result was that most farmers prospered.
The Song dynasty was established in 960 and was in existence until 1279. The creation of the song dynasty brought numerous developments to china. The period marked a significant improvement in all areas of china’s economy, most especially farming.
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Further Explanation
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There were numerous technological and agricultural improvements during the period. Farmers were allowed to use money instead of crops to pay for their taxes. The progress made in farming techniques also helped farmers to increase crop production.
Under the song dynasty, early-ripening rice was developed and this helped farmers to grow different crops in the same field. The development of the 'early-ripening' rice allows farmers to grow different types of rice. Agricultural Manuals were also abundantly available to farmers.
Some of the achievements of the Song dynasty include:
- The first government in the world to introduce paper money or banknotes
- The government introduced civil service examination to choose candidates that will work for the government.
- Movable Printing machine was invested and also contributed immensely to the development of education
- There were numerous achievements in painting and calligraphy.
- The first Chinese government to create a permanent standing navy
Thus, under the song dynasty, most farmers prospered because they were allowed to use money instead of crops to pay for their taxes.
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KEYWORDS:
- taxes
- farmers
- song dynasty
- crops
- technology
