Which boolean operator decreases the number of references by requiring a search to contain both of the words or phrases desired?

Select the correct answer.when alexander the great ruled his empire, he spread greek culture and increased his empire's wealth. along the way, he founded many cities, most of which he named after himself. review the following map. how did alexandria's location affect trade? a. it forced people to rely on shipping to trade with other nations. b. it brought together people from the west and east for trade. c. it led to conflicts between regions of the empire. d. it forced people to pay tribute to alexander as their leader.

What was going on with south asia before europeans came ?

Which best describes the impact of the crusades on european exploration?