How did a common language across the Muslim Empires help increase interconnectedness in Afroeurasia?

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.

Historians sometimes rely on video recordings in researching past events because

According to the points given on the the frontier (line), when 25 million skateboards are produced, how many rollerblades can be produced?