What a was The name of the final attack of the allies that helped in the World War I

What was the 1787 constitutional convention? !

President nixon's trip to china included apex

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