What is a mutual fund? a group that makes loans to investors who sometimes have a history of not paying back their loans

a company that collects money from people to insure their families against their loss of income

a device for pooling the savings of many investors and investing it in a variety of ways

a group that borrows money from many different sources to lend to its members

I think it's answer is

a company that collects money from people to insure their families against their loss of income

A form of collective investment in which money from many investors is pooled and invested in stocks, bonds, short-term money market instruments, and/or other securities under the direction of a fund manager.

treaties

explanation:

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.