After conquering new territory, caliphates of the Islamic Empire often established mosques. This demonstrates their desire to:A. establish temporary bases in new territories.

Bpromote Islamic scholarship in their territories.
Cfiercely defend newly conquered territories.
Dban all non-Muslim religious practices in their territories.

Verified Answer :

Generally speaking, this demonstrates their desire to "B. promote Islamic scholarship in their territories," since the primary purpose of a mosques is to promote and adhere to faith.