Would a volcanic eruption ever be controlled how would this benefit society

No it could not. It would benefit society by knowing when that volcano will erupt so we could evacuate and save lives.

1.989×10^30 kg is the weight of the sun.

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.