Answer:
The correct answer is C. A result of the use of farming machines was lower prices for farm products.
Explanation:
As a consequence of the technological development that took place during the Industrial Revolution of the 1800s in England and the United States, production systems began to evolve from pure human work to assisted work with specific machinery, which reduced human effort and production time. , allowing to maximize yield and increase production, requiring less time to produce more goods. This led to the cost of food beginning to decrease over time, increasing the purchasing power of the population and consequently reducing poverty.
The answer would be, The role of women in world war 1.
Short explanation : Most of the men were at war and and the woman had to start working/get jobs. Women typically around WW1 were seen as housekeepers, and only house keepers, and society did not believe that they could hold steady jobs.
The most likely answer why Western Europe became so successful in global politics was B - the chinese policy of isolation in my opinion.
China was a very advanced country which was at the same time extremely powerful and vast, putting it mildly. However, their choice of being an isolationist country made room for the smaller European countries to be at the center stage of world politics.