What was the most important or significant decision president lincoln made to preserve the union of the united states? why?

What was the u.s. government's office of indian affairs responsible for doing?

Why were factories a good source of income? select all that apply. -they produce goods at an exceptionally fast pace. -they build a sense of community among workers. -they often employed low wage earners. -they employed women and children at disgracefully low wages. -labor unions to establish good working conditions.

Which controversial political issue of the 1920 is reflected in the cartoon