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The Tet offensive altered public opinion of the war because the "<span>(B) U.S. suffered heavy losses". Although it ended with a US and South Vietnamese victory, many Americans grew wary of the costs. </span>
The doctrine that allowed people living in the territories to decide the issue of slavery through their governmental bodies was called popular sovereignty.
Answer:
The two categories are developed nations and developing nations. Developed nations are generally categorized as countries that are more industrialized and have higher per capita income levels. ... Developing nations are generally categorized as countries that are less industrialized and have lower per capita income levels.