The correct answer is C.
Laboratories of reform, also denominated laboratories of democracy, was an expression promoted in the US by Supreme Court Justice Louis Brandeis.
It refers, within the federal structure, to a level of state autonomy that enables state and local goverments to act as "laboratories". They can pass l<u>aws that will be tested at the local or state level. It can be regarded as a manner of applying the scientific method to democracy. </u>The most prominent example would be the legalisation of marihuana in the state of Colorado, despite the fact that this substance is forbbiden at the federal level.
The legal basis for these laboratories of democracy is contained in the Tenth Amendment to the US Constitution, in the following provision: "all powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people."
4. is death from disease brought by European traders, because in the ships the traders brought fleas, leading to plague, which the Native Americans were not immune to.
The supreme court breathed new life into the 13th amendment by adding discrimination and involuntary servitude to the Amendment.
They uphold the provisions in the civil right act of 1866, which make citizens unable to discriminate and exclude people on daily basis solely because of their race or color.
I think the answer is the second phrase <span>books became available to many people throughout Europe
The need of printing arose when people are becoming more intellectual during the medieval ages. Many writers around this time believed that it is very expensive to hire scribes. They believe that it takes time and effort to train them to write a perfect manuscript. Thus, Gutenberg decided to create a printing press. Because of this, books become available throughout Europe and all over the world.
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It is true that there have been multiple occasions of violence at different Olympiads that have been hosted in modern times.