What was the effect of labor reform movements in the early 1800s?

Americans who supported manifest destiny believed that the united states should

Article ii "each state retains its sovereignty, freedom, and independence, and every power, jurisdiction, and right, which is not by this confederation expressly delegated to the united states, in congress assembled."—articles of confederation which of the following principles of american democracy does this quote best represent? social contract natural rights federalism rule of law

What were some effects in world war 1 in europe ? ( and only in europe)