Answer:
C.<em><u>Curie was testing coal and discovering a new element.</u></em>
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<h3>☆ ★ Make It Brainlist Answer...... </h3>
Your answer would be The two countries are strong trading partners.
The United States and South Korea have a very strong relationship between each other, since they both don't like North Korea. The United States is allied with South Korea. Because of the strong bond between them, they must be good trading partners, they can always go to each other for trading purposes due to their close relationship.
Killed off as much as 90 percent of the native population
Africans who immigrated to the United States to become African Americans against their will were slaves until the Emancipation Proclamation in the 1860’s that divided the North against the South, resulting in The Civil War. Hope that helps!
