Answer:
Black Panther Greatest Threat to U.S. Security. WASHINGTON (UPI) - The, Black Panther party represents! the greatest threat among the! black extremist groups
Explanation:
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They allowed trade, and also, they limited certain contacts. But, as they tried to prevent this, they have failed to do so.
Answer : the federal government have the power to tax , make and enforce laws , charter banks , and borrow money .