Which choice fits in the blank in this progressive era timeline? a) 1903- helen hunt jackson publishes regarding treatment of native americans b) 1906- upton sinclair publishes the jungle, criticizing the working conditions in the u. s. meat processing industry c) 1912- theodore roosevelt publishes the square deal in which he addresses problems in the treatment of american unions d) 1912- sir arthur conan doyle publishes the lost world showing the deforestation of the rain forests.

The correct answer is letter B.

Explanation:  Progressive Organizations that supported, in 1882 and 1924, Chinese immigration restriction laws. Several "progressive" unions were openly racist, nativity, and nationalist. Even the second incarnation of the Ku Klux Klan in the early twentieth century, besides being openly racist, also advocated several progressive reforms. Margaret Sanger, sexologist, feminist, abortion advocate and heroin of American progressives, even spoke at one of the KKK events

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.

treating native americans justly and giving them equal rights as citizens of the united states" was not a way in which americans sought to solve the indian problem. removal was the most popular idea.