Which of these is an example of a trade restriction?

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.

How does wards description of the roman government compare to polybius description in sorce 1 and millars description in source 2

6. how are goods and services distributed in a free market system?