Why was thomas jefferson concerned about losing control of the port of new orleans

Which statement best describes the weather shown by the red semi circles on a line on a weather map a warm front brings drizzly weather a cold front can cause heavy rain, thunder, and lightning a stationary front may produce rainy or snowy weather for several days an occluded front can cause light to heavy precipitation that may last several days

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group. no, this does not need to be reported since it is unrelated to participation in the study. no, this does not need to be reported because two weeks have passed. no, this does not need to be reported since the subject recovered.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society