Which was an obstacle to approving the articles of confederation?

Which region was almost every country colonized by an imperial power in the 19th century

Virginia has 11 people in the house and 2 in the senate. how many electoral votes foes it have? where is this addressed?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis