Answer:
Exchanges rate systems
Explanation:
permit sthe government to place somen influence
on an exchange rate the would otherwise be freely floating
A group used in a study or in an experiment, which does not get treatment by the scientists and is used as a foundation to determine the functions of the other tested subjects is known as the control group. The control group is only found in an experimental investigation.
<u>4) Congress</u>
The selective incorporation is a doctrine that makes the first 10 amendments of the U.S. Constitution (The Bill of Rights) also applicable to the states through the Due Process Clause of the Fourteenth Amendment. Prior to the doctrine, the states weren't constitutionally obligated to follow those rules.
The 14th Amendment also determined who must enforce the provisions of its Amendment, as section 5 states:
<em>The </em><u><em>Congress</em></u><em> shall have power to enforce, by appropriate legislation, the provisions of this article.</em>