Oil maybe I think it is about oil
B) they traveled on foot while hauling their belongings.
Answer:
B. The expansion of railroad networks enabled ranchers to transport cattle to the East and expand into new markets.
Explanation:
The United States are a Bicameral republic, meaning that they have two legislative bodies, the House of Representatives and the Senate, each fulfilling their duties and each ensuring that legislature is adopted or not adopted.
Answer:
D helped build an economy that was independent of foreign influence