The compass was invented in China during the ninth century to be able to sail in the open sea. During the second half of the fifteenth century it was given a different use. The miners started using it to do underground work. It is considered the most used element in navigation from the fifteenth century.
Muhammad is the only true prophet of that time that made a huge effect on muslims and/or others in mecca and so on......also if i did the right answer plzz give brainliest!! Have a great day!!