Why was britain unable to keep industrial secrets away from other nations?

Why was the emancipation proclamation widely attacked when it was written?

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 event from world war l does the image most likely depict