Answer: i think it would be important to know the experience of sailors so that you can keep a record of everything that happened.
Explanation:
like when america was discovered
I believe it's A.
The Muslims did control Jerusalem for a time, and I believe that they forced the Christians out of it.
Also the Crusaders did sack Constantinople when they were not allowed in by the government there.
I don't know what D is but I'll assume that it is true because I think A is false.
Answer:
In philosophy, economics, and political science, the common good refers to either what is shared and beneficial for all or most members of a given community, or what is achieved, by citizenship, collective action, and active participation.
Explanation: