What is the reaction of linguists to the claim that sentences of this sort are wrong?

What are the six basic purposes of government as outlined in the preamble to the constitution?

Policies that physically separate a minority group from the dominant group.

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.