When did the first american combat troops arrive in vietnam? 1964 1965 1966 1968

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Plz where was the inca civilization located? a. in and around the andes mountains of south america. b. central america in southern mexico. c. the caribbean islands. d. the central valley of mexico.

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