Ezra was a skillful, learned scholar in the Law of Moses. There was a period in the Bible when Nehemiah asked Ezra to read the Law of Moses to the crowd. After which people and priests have entered into a covenant that they will keep the Law of Moses and separate themselves from those people who have not heard of such Law.
D running a company that hires people to fix computers
According to his autobiography, he wanted to make all things to be in the correct place so there might be a time order for businesses. He tried so hard to make this idea possible that he became more orderly.
It might be good to add that he understood that some of his goals were unrealistic.
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Steamboats. Steamboats positively effected the world because they made the transportation of goods more efficient and economical. Travel time was cut in half and were a compliment of the railroads, both for commercial and passenger transportation. Steamboats were independent on the wind speed and direction.
