I really think it’s D but that’s my opinion
Answer:
The answer should be C, This is because sending spies helped them as they could represent themselves as farmers i suppose.
Answer:
A.european settlers fled to the US
Explanation:
bc Europeans fled her in the Philippines first then go to the US
The correct answer is increase in industrialization.
Due to the technological advancements of the mid-late 1800's, Americans started to rely more on industry rather than farming. Working in a factory rather than a farm had its perks. People who worked in a factory had guaranteed wages, whereas in farming the amount of money a person makes is dependent on several different factors like the amount of people who want to buy your products, climate, location, etc.