Around the 900s ad what kind of structures did people build in the southwest ?

Which one of the following statements best characterizes change to agriculture in the united states since 1900

Yugoslavia a: nato b: warsaw pact c: not a member of either alliance

To encourage railroad companies to build railroads across the west, the government gave them subsidies by select the best answer from the choices provided. a. paying the wages of laborers b. giving them building materials c. providing railroad trains d. providing free land