What was the common purpose of the three amendments added to the u. s constitution between 1865 and 1870

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.

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?

What is the term of the negotiated that recognized both british and american claims in the northwest? joint controljoint occupationjoint mandatejoint agreement