The technology that is being referred above is what we call the Bessemer Steel Process. In this process, metals are being formed through elimination of impurities from the iron. This has been known as an non-expensive way of mass producing steel for building. Hope this helps.
It was primarily "A) manufactured goods" that were traded for slaves on the west coast of Africa, since these goods came from Europe to Africa as part of the "Triangle Trade".
A. Independent because it flies to need anything else to have the sentence make sense
He dreamed of becoming an artist in his youth however discovered a talent for public speaking that helped him rally support for his causes
The Anusere is true your wellcome