What do you think are some of the economic effects—positive and negative—of having so many immigrants living in the u. s.?

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.

How were japan's actions before and during world war 2 compare with germany's actions over the same period

Woodrow wilson called the supreme court "a constitution convention in continuous session." what did wilson mean by this?