Authority derives from its “implied” powers in the Constitution, public laws, and House and Senate rules. It is an integral part of the American system of checks and balances<span>.</span>
Answer:
A.an imaginary line that divides affluent suburbs from poor inner city neighborhoods
<span>he expanded the Roman Republic by fighting across Europe before making himself dictator for his whole life.
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The sentence that uses commas correctly is the last one - D) My brother has stamps from Canada, Hawaii, and Mexico.
The other sentences lack commas where they should be.
