The answer is not b but
D. The outbreak of the Russian Revolution in 1917.
I hope I could help ^^.
The caning of Charles Sumner highlighted sectional tensions between the North and the South.
Over the years of history, there have been several technological inventions that have improved the value of Human life. Some of these inventions dating as far back as 450CE are still in Use to this day.
Below you can read more about Technological inventions between 450CE and 1600CE that are still impactful to this day.
<h3>Technological inventions between 450CE and 1600CE</h3>
PAPER MONEY
Paper money is one of the most important inventions that is still useful to this that. The earliest known use of Paper money was during the Tang Dynasty.
This invention came handy at a time carrying large sums of money was difficult and there was shortage of supply of metal.
Also people needed a central value to carry out Trade.
WINDMILLS
Windmill is yet another invention withing the time frame that is still relevant to this day.
Windmill involves the use of wind to create energy. The first windmills were used to mill grain. The Persians were known to be the first to invent a functional windmill in the 9th Century and this had 'sails' that rotated horizontally instead of vertically as we typically see today.
Learn more about technological inventions at brainly.com/question/24839581
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The Preamble is he opening of the US Constitution. It explains why the framers of the constitution made our government a republic.
Answer:
Northern Ireland
Explanation:
Although not technically a country, Northern Ireland is the only major piece of land within the United Kingdom outside of The island of Great Britain, and is usually listed with the other countries.