How did the split in the democratic party lead to lincoln's victory in the 1860 election?

Why did robert schuman, a french government official, propose a new organization called european coal and steel community?

Read this brief excerpt from the declaration: we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness in a two- to three-paragraph essay, define in your own words the meaning of the unalienable rights of life, liberty, and the pursuit of happiness. in your response, make sure to address whether these rights apply to ideals or issues that are important in today’s world.

Which factor has played the most important role in changing the way history is studied over time?