The janissaries were soldiers in the elite guard of the Ottoman Turks and helped develop a strong military. They trained as foot soldiers and served the sultan or Ottoman leaders. The city was renamed Istanbul and became the capital of the Ottoman Empire.
Frontier became a part of America's identity. It represented many things to Americans. Adventure, danger, freedom and opportunity represents the frontier. It is because of the end of the frontier, it had a psychological impact to Americans because the frontier became their sort of escape mechanism.