<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>
Who people are and how authority is shared among them are core issues for democratic theory, development and constitution. Some cornerstones of these issues are freedom of assembly and speech, inclusiveness and equality, membership, consent, voting, right to life and minority rights.
Answer:
Advantages. Some historians have suggested that two-party systems promote centrism and encourage political parties to find common positions which appeal to wide swaths of the electorate. It can lead to political stability which leads, in turn, to economic growth.
It was the anti-westward movment forbidding all settlers to cross the appalachian mountains.
The north wanted the south to change its work gain, such as slavery and change more into industry
