Plate tectonics, geology homework help

How does plate tectonics explain the difference between Mt. Saint Helen’s-type eruption and a Hawaiian-type eruption?

Direction: Post a synopsis, based on the results of your research, the answer(s) to the question(s) selected. In the synopsis, include a brief explanation of the significance of the knowledge you learned from your research on historical geology and cite the reference source(s) of your research.

I need about a two paragraph answer. Thanks.