Ahistorian studying the roman empire reads a letter written by a roman soldier stationed in great britain in 70 ce. which of the following best describes the letter?
a. secondary source

b. primary source

c. historiographical source

d. biased sourc

Option: B. Primary source.

Explanation:

The letter, being a part of the Roman soldier stationed in Great Britain in 70 CE, is a piece of first-hand information about that period, which reflects about the way the Roman Soldier felt and experienced while stationed in Great Britain.

The letter is a primary source because it reflects about the past without being changed since its documented. Primary sources are original documents that concerns with the historic topic, can be later studied and experienced by a historian. Sources can be documents, artifacts, photographs, and testament.

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.

this is a good question! i'll do some research and come back when i have the answer!