The usefulness of iron had been known for centuries however, it was difficult to produce because ovens had to be constantly heated, something the steam engine could do.
Answer:
He wanted to start trade deals between the US and Japanese. He wanted Japan to open up, because the Japanese had been mainly isolated for hundreds of years.
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Robot and computerized technology useful benefits industrial working
Answer:
The first draft contains everything you wanted to say.
while the final draft should be brimming with significant detail.
