Need help asap. A. consecutive angles of a parallelogram are congruent
B. consecutive angles of a parallelogram are supplementary,
C. opposite angles of a parallelogram are congruent
D. opposite angles of a parallelogram are complementary

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