Constantine reigned during the 4th century CE and is known for attempting to Christianize the Roman Empire. He made the persecution of Christians illegal by signing the Edict of Milan in 313 and helped spread the religion by bankrolling church-building projects, commissioning new copies of the Bible, and summoning councils of theologians to hammer out the religion's doctrinal kinks. Constantine was also responsible for a series of important secular reforms that ranged from reorganizing the Roman Empire's currency system to restructuring Rome's armed forces. His crowning achievement was his dedication of Constantinople as his new imperial capital in 330.
They threw the chests of tea into the Boston Harbor. (Boston Tea Party)
The answer is Erosion, which is the the gradual destruction or diminution of something -- in this case, rocks. I hope this helps! For reference/perspective, sand is the product of rock erosion, because it's really just tiny remnants of crushed rock. Those "small pebbles" could be sand, but you'd have to emphasize just how small they are -- one grain of sand is just that: a grain
The answer is for the question is B.
