PL HELP WILL GIVE BRAINLIEST TO FIRST AND RIGHT ANSWERHow did the government encouraging private companies to build railroads help define the "Railroads, Reform, Immigration, and Labor (1889-1930)" era? 1) Railway workers from England were encouraged to immigrate with federal job guarantees. 2) Tariffs were placed on the products of all foreign railway companies. 3) Federal prisoners were used as laborers during construction. 4)Monetary loans and land grants were used to fund railroads.