It was internationally recognized in 1991.
It was the refinement of the Bessemer process, first used in the United States in the 1860s, that allowed for the major advance in skyscraper construction. As steel is stronger and lighter in weight than iron, the use of a steel frame made possible the construction of truly tall buildings.
Answer:
d
Explanation:
he then began to campaign against local chieftains and warlords that were stretched as far as Punjab in Indus Valley. By the time of his death, he was emperor over most regions of Greece and the conquered Persian Empire (including much of Egypt).
It is difficult to suggest a course of action as no one knows what the perfect answer to this is. However, one strategy that seems to reduce the incidence of discriminatory practices is that of facilitating the interaction of people of many different races and backgrounds. Most of the time, discrimination comes from a fear of the unknown. People have prejudices and biases towards people who are different from them and this affects how they think about them. However, when people spend time in diverse communities, they tend to become more tolerant and accepting of those who are different to them.
