Why was the League of Nations created and why did Congress reject U. S. participation in the League?​

The louisianna purchase was controversil because

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

Explain when conformity is beneficial and when it is harmful. give examples of both?