Given a text, write a compressed version of it in a single sentence.

Let me give you an example: Except for this small vocal minority, we have just not gotten a lot of groundswell against this from members, " says APA president Philip G. Zimbardo of Stanford University.
The answer to this example can be: "Except for this small vocal minority, we have not gotten a lot of groundswell against this," says APA president Zimbardo.
Here is why: Both texts convey the same meaning that they have not gotten much groundswell against this except for small minority.

OK. solve this:
In 1791, when the Bill of Rights was ratified, it made sense for the Tenth Amendment to affirm that all federal power derived from the states and from the people. The Constitution represented a pact among preexisting states.
Answer:
In 1791, it made sense for the Tenth Amendment to affirm that all federal power derived from the states and from the people.