4. What was done to ensure that the faces on Mount Rushmore wouldn’t erode for thousands of years? a. The faces were coated with a special ceramic glaze b. A protective layer of diamond dust was added to the finished faces c. An extra three inches of granite was left on the faces d. The faces are covered with plastic shields every night and during bad weather

Which of the following groups of sentences most accurately describes the cuban missile crisis?

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

Pls quickly! which of the following statements about spanish plantations is not accurate? a. spanish plantation screw sugarcane for export to spain. b. the spanish had a little concern for the lives of the indians who worked on the plantations. c. spanish presentation grew a wide variety of crops and sent the produce to many different european countries. d. to replace the native americans our dying off the spanish important african slaves.