Why is a good transportation system needed for the growth of industry

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

Which of the follow modern activities would only have been possible after the neolithic revolution

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