Who was the first african american to be president of the united states of america?

Ineed with what i should write for my research paper. my topic is history of slavery. 1800 words. all i need is what to write in each paragraphs. like when the research paper has titles for each paragraph and it explains the tile in each paragraph. for example when did slaverh begin? why did it begin like an outline.

Describe hiw the meanings of the constitutional clauses that grant powers to congress have been defined

Three broad zones with different climates and resources shape russian life. they include: