Well this is a very opinionated question but personally:
Astronauts improve society by using the newest and most expensive technology to be able to explore space as we know it.
Answer: The first Crusade was successful for European leaders they were able to have some cities such as Jerusalem, Acre, Bethlehem, and Antioch. But after that things go wrong.
The political perspective was a failure.
Although they did not fully achieve their religious goal, the Crusades promoted major changes across Europe, such as the reopening of the Mediterranean to European shipping and trade. This made it possible to intensify trade between the West and the East, largely interrupted by Muslim expansion.
Baghdad had the largest population
<span>c)It is the Islamic word for an internal struggle against evil or a physical struggle with non-Muslims.</span>