D. The other facts are true, but wanting to stop Hitler was not a reason, so much as extra motivation.
It helped them alot by being able to grow their food. The agriculture made it so they could have a large population, be able to defend themsleves from european countries. Even helped them get healthier and more fit.
The answer is <span>the magnetic compass and gunpowder.
The magnetic compass and gunpowder were first developed under the rule of Chinese dynasties.
In fact, the compass and gunpowder were identified as part of the FOUR GREAT INVENTIONS OF CHINA. The other two were paper making and printing.
The magnetic compass was greatly used throughout Chinese history. They would use a magnetic needle that would be place floating in bowl of water. The magnetic needle was called "</span><span>"south-pointing fish" because it aligns itself to the south.
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The gunpowder was discovered in the 9th century but its explosive potential was perfected in mid-14th century.
Answer:1543
Explanation:
While its dates are disputed, the publication in 1543 of Nicolaus Copernicus ‘s De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) is often cited as marking the beginning of the Scientific Revolution.
