How did the crusades contribute to the age of exploration? a) they created a desire to spread christianity among the american natives. b) they created a desire in europe for new products and new trade routes to the east. c) the democratic spirit which accompanied the conquests of the crusaders swept across europe. d) the establishment of sea routes used by the crusaders which rounded south america made exploration easier.

The Crusades contributed to the Age of Exploration by creating a desire in Europe for new products and new trade routes to the East.

Option B

Explanation:

Crusaders had their hand in this era by innovating and developing new products that could be used by people, new resources and new innovations.

They also contributed by finding the way to reach the eastern part of the world where the demand of the European goods was high and this led to the settlement of the entrepreneur and merchants in the eastern part of the world.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.