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Sixth Amendment.
Education and public health
The 17th amendment resulted in senators being elected directly by the voting public.
Public education.
the 16th amendment gave congress the power to levy an income tax.
10th Amendment established education as a state function
In the case Knight First Amendment Institute v. Trump, the outcome was that public officials cannot block people on social media platforms based on their viewpoints, as it violates the First Amendment right to free speech.
The 6th Amendment
The tenth amendment reserves powers to the state. This power is known as federalism. The amendment provides that powers not granted to the federal government by the Constitution, nor prohibited to the States, are reserved to the States or the people.
Institute for Public Accuracy was created in 1997.
Institute of Public Enterprise was created in 1964.
Institute of Public Accountants was created in 1923.
It wasn't an amendment, but a ruling by the Supreme Court in 1957. It was the Brown v Board of education. It ruled that segregation was illegal and that "separate but equal " wasn't equality.
Activities are broadly characterized as advocacy, communication, recruitment and education, and standards and performance.
Public Religion Research Institute was created in 2009.
Chartered Institute of Public Relations was created in 1948.
Public Entity Risk Institute was created in 1996.