Answer:
U-boats were used primarily to -gather information about enemy movements by tracking warships. -protect the German coast from attack by Allied ships and submarines.
Amphetamines are found in both prescription form and in illicitly manufactured forms, this is commonly known as speed or uppers. One example of an illicitly manufactured amphetamine is methamphetamine and the designer drugs.Typical street amphetamine is manufactured in illicit laboratories and is found in varied colors, but is normally a white crystalline powder that can be normally sniffed.
The significance was to get the South American life to change the rights of certain people.
In the years from 1900 to the present, life expectancy in the United States has drastically increased.
The tremendous increase in life expectancy during the last century may be the greatest human achievement.
In the 110 years between 1900 and 2010, the United States' life expectancy at birth increased from 47.3 to 78.7 years (Centers for Disease Control and Prevention/National Center for Health Statistics [CDC/NCHS], 2012, 2013). Declines in infectious diseases and fatalities disproportionately among the young caused this longer lifespan. After infectious diseases accounted for the majority of deaths, the leading causes of mortality were cancer and cardiovascular diseases. In the second half of the 20th century, these then became the focus of science and medicine.
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