What was the main failure of the articles of confederation that eventually led to the us constitution

Which of the following statements about the migration of workers to other countries is false?

Which of these has the least impact on the climate of a place

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory