What is the difference between a river valley civilization and an empire

Describe the views of the federalists. how did they feel about ratifying the constitution.

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.

The supreme court settle conflicts between the various levels of government true or false ?