How do the notes at the beginning of the scene help you visualize what is happening before Crow speaks?

What river valley civilization in the plow

Lava and other matierls luanced from a volcano and into the air are referenced as

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.