Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
since the time when the spices were brought to europe, many europeans sailed away just to find the spices. competition also prevailed in those times.
If a President has the power to cancel some parts of a new law, the thing that makes this possible is A) an amendment to the Constitution.
Answer:
The transcontinental railway had a major effect on how Americans perceived thier nation, and it became a symbol of America's growing industrial power and a source of confidence that led them to take on even more ambitious quests.