The ashes and smoke after an eruption
Answer:
A. industrialization
Explanation:
Industrialization is the process by which a state or social community goes from having an economy based on agriculture to one based on industrial development, using machinery that works with new sources of energy and in which work is offered to the majority of the population and the possibilities of supporting the gross domestic product are improved.
Industrialization necessarily involves the production of goods on a large scale,
Differing physical forces is the correct answer :)
The answer is D. (Russia)