Answer:
it was an imaginary line that separated Eastern and Western Europe.
Explanation: im smart like that
<span>The present-day medical technology that Marie Curie's work helped to develop is C. x-rays. She was a famous physicist and chemist who worked a lot on radioactivity, as well as x-rays that are used today in medicine to scan the body for harmful objects and to scan the bones for fractures. For A, a Swede named Carl-Olof Siggesson Nylen was responsible. B, Albert Sabin developed the vaccine for polio. D, John Braxton Hicks was the first one who worked in such a hospital.</span>
Masses of framer slaves were needed to work for landowners
Answer:
D
Explanation:
the United states would not criticize the thing that made them proudest st fhat time. the statement summarizes manifest destiny
