Megatrends was a very popular book form the 1980's that attempted to make predictions about the future.
Many people considered this as a, "mainstream book."
Chlorine and Mustard gas are types of poison gas, sometimes used during chemical warfare. For example Germany introduced their usage against the Allies during WW1.
A voilent protest, threats towards a school or a threat to a federal ran business such as a post office some banks police station etc.
Explanation:
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In 1846, <span> the </span>Oregon<span> boundary dispute between </span>the U.S and Britain settled with signing the Oregon treaty <span>The British gained sole possession of the land north of the 49th parallel and all of Vancouver Island, with the </span>United States receiving the territory south of that line.