What causes earthquakes? A. Movement at volcanoes
B. All of these
C. Movement at plate boundaries
D. Movement at saucer boundaries

I say all of the above because volcanoes make huge vibrations as they're getting ready to erupt, and I learned that the movements of tectonic plates also causes earth quakes.

Explanation:

Hope this helps ;)

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.