The effects were that the African-american population was not able to sue anyone or participate in any Supreme Court cases because they were not considered to be American citizens since their parents were taken there as slaves.
The Aztec Empire had <em>ALOT </em>of innovations that to this day we still use. It improved quality of life by providing entertainment and allowing different products/technology to be sold to the public (which also helped increase their economy) and allowed for expansion and a better understanding of the world. Overall, their innovations greatly expanded their knowledge.
<span>The demand for salt was as high as gold at one time is because salt was necessary to preserve meat. The salt is a water permeable and subsequently expels water from any nourishment. Without water microscopic organisms don't duplicate and subsequently go about as additive. Fundamentally, salt works by drying nourishment. Salt ingests water from nourishment, making the earth excessively dry, making it impossible to bolster unsafe form or microbes.</span>
The answer is improving the sensitivity of air traffic controller's to plane blips
Signal detection theory is about the ability to identify a stimulus when it is embedded in a distracting background. It has practical applications, like increasing air traffic controller accuracy.