How did monopolies and trusts affect industry and banking in the late 1800s?
they introduced new business practices that created large industries and produced great wealth for a few.

they set the standard for the development of many large industries and a nationwide banking network.

they reduced the effectiveness of banking practices, but the growth of industries.

they produced great wealth that benefited workers.

The correct answer is they introduced new business practices that created large industries and produced great wealth for a few.

Monopolies and trusts were devloped by different individuals like John D. Rockefeller, Andrew Carneige, and JP Morgan. These individuals used different business practices to accumulate massive wealth.

For example, many of these trusts used horizontal integration. This strategy resulted in buying out their competitiors within their market to ensure that there was limited competition.

Along with this, vertical integration was used. This resulted in trusts buying companies to control all of the means of production for their product. This includes railroads, factories, etc.

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

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a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.