Animal testing is important because it provides valuable scientific breakthroughs. The best answer that supports the central claim is:
A. A number of lifesaving drugs and surgical procedures are the direct products of animal testing.
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Yes, it is true that North Korea has been actively developing and testing nuclear arms for the last decade, since most of their facilities and tests are easily traceable.
There were several nations who sought to claim the territory such as the Americans, British, French, and Spanish. John Quincy Adams resolved this through the Treaty of 1818 where the border of the United States and Canada was established at the 49th Parallel.
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Assuming you're referring to the Civil War, African Americans received the best treatment in the North, since the North was fighting the war specifically to end the institution of slavery.
