Primary sources are a. the most important sources. b. sources referred to in lectures. c. the first sources a researcher should consult. d. sources from people who participated in, or witnessed, the event. select the best answer from the choices provided a b c d

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

All state and federal officials are required to take an oath to support the constitution. select the best answer from the choices provided t f

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.