He didn't know if he be both a good christian and go to war. Changed his mind because of people persuading him
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.
They independently developed their own class systems known as feudalism and they were built of of class heredity the nobles were at the top followed by warriors then followed by tenant farmers and Japanese armor was leather Europe had heavy metal and they were almost immobilized
Who has power to make decisions is the answer
