Answer:
The leaders of the United Kingdom
the United States
The Soviet Union met at the Potsdam Conference.
If there are any choices please add them and i will figure it out.
Chine, China, and Peru are the top three largest copper producing countries.
The answer for this question is: <span>the election of Abraham Lincoln as President
Abaraham Lincoln was always known as someone that really see slavery as something that undermines human's value.
Not long after elected as president, Abraham Lincoln made several policies that make it harder for the southern states to keep their slaves, which led to the first secession.</span>
The compromise of 1850 contradicted the Missouri Compromise of 1820 by creating a free state south of 36°30'N. According to the Missouri Compromise, Missouri would enter as a slave state, Maine would join as a free state, and slavery would be prohibited in any new state north of Missouri's southern border, 36°30'N latitude