Well, Louis Pasteur was a scientist who discovered a process called "pasteurization." What this process is is heating food or whatever liquids to kill the bacteria which might be in it. This process became widely used for milk, as well as for vaccines. It improved food safety for the public and provided for a way that people can get vaccinated so that their immune systems are resistant to disease. So from my knowledge, I would say "<span>better standards for public health" is your answer.
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The first alternative is correct (A).
The Bill of Rights represented by the first ten amendments to the US Constitution represents the guarantee of fundamental rights for American citizens. Since the institution of the bill of rights, citizens have had constitutional protection for the right to freedom of expression, religion, private property, legal process in lawsuits, among others. These are achievements of the democratic regime that have been preserved over the years.
