How did nationalists threaten the borders set up by european monarchs?

All of the following regions are labeled correctly on the map above, except a. highlands – 1 b. semiarid – 2 c. polar ice cap – 4 d. subarctic – 5

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

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