Option: Steel rails were much more durable than the iron rails that had been in use.
Explanation:
The Steel Industry during the late 1800s began to bloom because railroads became its highest consumer. The railroads began to increase rapidly, which made them relay on steel rail tracks. The Pennsylvania Railroad used steel tracks because of its quality. In the beginning, iron use in laying tracks but it did not last because it got rusted within six months and needed to change in every three months. The steel-making industry expanded as it develops a new manufacturing technique which came to be known as the Bessemer steel process.
washing was the 1st president and he also commanded the continental army during thw american revolution, then presided over to the convention that drafted the United States constitution.
