<span>It used U-boats to sin ships carrying supplies to Britain</span>
Answer: Cloth
Explanation: Depending on what exactly you are asking, the goods that were brought back to Caesarea from Rome by traders were cloth
Answer: I believe what happened was Russia launched Sputnik 1 and after realizing we now have the technology to go to space, we began competing to see who could get to the moon first which ended up with U.S. making it first on 21st July 1969
Explanation: Sputnik 1 was launched in 1957.