How did the gold rush prove a blessing continent of north America?

1.	How did the gold rush prove a blessing continent of north America?
Answer» Addition to this.....1) construction of railway lines across the continent2) increases the employment opportunity3) leads to urbanisation 4) development in factories<br>This lead to the development of railway lines also in n.a<br>Because any continent which have a gold mines is rich and the North America have many gold mines. And the natives were migrated from other continents to North America. This develops the respect and importance of an continent

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