Why did the Europeans have to use silver for trading with China

Which of the following best describes a historical interpretation? o a. an unfair prejudice held by earlier cultures b. a source created in the ancient past o c. a conflict between ancient civilizations o d. an explanation for why a past event happened

In 1073, the fight over who gets to choose bishops was between pope gregory vii and king henry the iv. t or f

The u. s. constitution outlawed slavery. true false