Which of the following are true about railroad expansion in the late 19th century? Chose all that apply

- Railroad expansion in the late 19th century was a major driver of economic growth and development in the United States.

- It led to the creation of new industries and markets, stimulating trade and commerce.
- The construction of transcontinental and regional railroads opened up new areas for settlement and migration.
- Railroads played a crucial role in the expansion of the agricultural, mining, and manufacturing sectors.
- The expansion of railroads increased the speed and efficiency of transportation, reducing travel time and costs.
- Railroads created new job opportunities, attracting a large workforce.
- Railroad tycoons and companies acquired significant wealth and power during this period.
- The construction of railroads often led to conflicts with Native American tribes and resulted in the displacement of indigenous peoples from their lands.
- The expansion of railroads contributed to the growth of urban centers and the development of cities along the railway routes.