15 points me . which invention from song china had the greatest influence on the spread of learning? magnetic compass mechanical clock accurate calendar movable type

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife

What was the focus of the stanford study-pls

(05.04 mc) how did the roman transportation system keep the empire strong? plz