Answer:
1972
Explanation:
It was discovered in the 19th century that there was an incident of a type of syphilis among some set of people. And these people were not aware of this diseases. Therefore, the government at that time decided to make use of their ignorance to find a solution to the incidence of the syphilis. This was by making use of the ignorant people, which were black American, as the research objects or specimens. That is like the Guinea pig or albino rats that are used for research.
It was discovered that, From 1932 to 1972 about 400 poor black men were used as guinea pigs as scientists studied the effects of syphilis left untreated. And to carried out this act, they lied to the people that they were going to be checking for HIV among them. Since they knew that the people were not aware of the incidence of syphilis.
Answer:Mexico's annual population growth rate is about 1.06%. ... The birth rate and fertility rates have decreased significantly in recent decades because the marriage rate has fallen and the number of divorces has quadrupled since 1994. The death rate in Mexico is 5.8 deaths per 1,000 people
Place ppl in public
homie
Answer:
Regular expression:
"^[^[^\w\s]|_]*[^\w\s]|_[^[^\w\s]|_]+[^\w\s]|_[^[^\w\s]|_]*$"
Explanation:
The regular expression has the following parts:
i) [^\w\s]|_ - expression to match any punctuation mark
ii) ^[^[^\w\s]|_] -
iii) *[^\w\s]|_ -
iv) [^[^\w\s]|_] -
v) +[^\w\s]|_ -
vi) [^[^\w\s]|_]*$" -
I don't know about the government part but here is a example for the rest. If the was a canyon or a mountain range there then it would be hard to trade things and affect where families live.