Final answer:
The main reason people were successful in the Gold Rush was their hard work and determination, along with some instances of luck in finding gold.
Step-by-step explanation:
The main reason people were able to be successful in the Gold Rush was because they worked hard and showed determination. Many individuals put in long hours and exerted significant effort to search for gold. Additionally, some people were lucky and were able to find large amounts of gold, which contributed to their success. However, it is important to note that not everyone who worked hard or invested money in the Gold Rush became successful.
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