Answer:
Correct answer is what life was like for a crusader making the journey to Jerusalem.
Step-by-step explanation:
First option is not correct as we are not sure who is the author of the text and we cannot established its reliability.
Second option is also not correct because we don't have information whether something has changed in the economical life of the continent.
Third option is also not correct as it doesn't describe the life of ordinary people.
Fourth option is correct as we can conclude that the journey was rough and although Crusaders lacked resources there was a divine power that was leading them.