The answer is B because i had this before trust me it’s right
Significant changes enacted at the national levels included the imposition of an income tax with the Sixteenth Amendment, direct election of Senators with the Seventeenth Amendment, Prohibition with the Eighteenth Amendment, election reforms to stop corruption and fraud, and women's suffrage through the Nineteenth century
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Both the Nuclear Test Ban Treaty of 1963 and the Strategic Arms Limitation Treaty (SALT) of 1972 were attempts to "<span>(2) promote the peaceful use of atomic energy"</span>
Answer: These tribes were commonly referred to as Barbarians.
Explanation:
"<span> C. Nations often seek to protect their firms and their workers from competition" is the correct answer. Nations don't want cheaper goods coming in that will reduce jobs and GDP. </span>