What allowed Europeans to be the ones to make high-quality swords?

1: how did the rise of rulers with total power in europe and asia lead to world war 2?

During world war ll, the untied states was a member of the allies axis european theater pacific theater

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.