Which statement best describes how railroads changed industrial practices?

railroads connected inland cities to seaports
railroads made automobiles obsolete
railroads made traveling safer
railroads could go over mountains

In the mid-1800s, how did american indians often react to the us government signing treaties with tribal chiefs to establish reservations? many american indians did not accept the treaties and resisted relocating. many american indians fought for land taken away by the dawes act. many american indians bought land in oklahoma from white settlers. many american indians accepted the treaties and relocated voluntarily.