Answer: Congress (i.e., the <span>House of Representatives and the Senate).
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They avoid being detected because this would throw off the behavior patterns that exist naturally and they don't want their presence being known since this might throw it off.<span />
Answer:
Reserved powers
Federalism describes the system of shared governance between national ... both exclusive and concurrent powers, which help to explain the negotiation ... the Constitution envisioned that state governments, not the national government, ... Exclusive powers are those powers reserved to the federal government or the states.
