Easier travel and trade.. with others outside
You haven’t told us the statements..
Answer:D. it was not right for the United States to conquer other peoples.
Answer:
they needed a sword that was both hard and flexible but would not bend or break
Explanation:
Japanese smiths solved this problem by making the core of the sword with a soft metal that wouldn't break.
A thick mixture of clay and charcoal powder is applied to the blade's upper sides and dull back edge, leaving the sword's primary edge only lightly coated so that it would be flexible.
