Answer:
I think you have the answer right where the colon is placed. After instructions if that's not clear enough.
Explanation:
The answer is: There has been a marked increase in virtual reality games since the military developed conflict-based simulators. I have done this test
Well, material refers to anything substantial or, more precisely, made of matter. What this person is saying is that it is our interactions with the material world that drive us to do certain things, rather than our interactions with spiritual worlds. This is arguable, but the largest contributing factor to wars of all kinds throughout history have been access to resources, particularly food and water. It doesn't get much more "material" than drinking and eating.
Now religious wars like The Crusades occurred, if taken at face value, as a result of a spiritual decree. In actuality though, the "reclamation" of the Holy Land was again a material concern because even though the land was considered "holy" the whole endeavor was, after all, about occupying space. Land.
B. Compound
This sentence is two independent clauses joined by a coordinating conjunction (and).
