What was the idea behind Manifest Destiny? - That all Africans are inferior to the Americans and thus have no other societal role than to be slaves
- That a Christian American had the responsibility to teach the rest of the world its religion
- That America was the most powerful world nation and had a duty to medicate all world conflicts
- That it was right for Mericans to extend their way of life from the Atlantic to the Pacific

- That it was right for Mericans to extend their way of life from the Atlantic to the Pacific

Explanation:

where is the diagram

the industrial development of cities in the ruhr area in the nineteenth century is described. the research was based on english and german language sources. several factors that shaped growth and paths of the cities were categorized and analyzed. they are locations, resources, traditions, entrepreneurs, and technological developments. locations and resources were the most important among them; other factors may be regarded as consequences from locations and resources. among the cities, bochum, essen, gelsenkirchen, and dortmund had the richest resources and most favorable locations in the transportation network and grew to be the largest cities in the ruhr area near the end of the nineteenth century. riverside location was also a favorable factor for the development, as shown in the development of duisburg on the confluence of rhine and ruhr. resource distribution can explain the rise of textile industry, metallurgical industry, and coal and iron industries, and the northward progression of the mining industry. tradition was an important factor for cities such as krefeld, barmen, elberfeld, solingen, and remscheid, which experienced development based on their traditions through the nineteenth century. various entrepreneurs exerted influences within and beyond the local level over the ruhr area. technological development stimulated the northward progression of the mining industry and the deep connection between the coal and the iron industries.