B because when one started helping the they all started helping
Answer: (quit)
Explanation:
A lot of boomtowns eventually turned into abandoned ghost towns. When the gold ran out in an area, the miners would leave to find the next gold strike. The businesses would leave too and soon the town would be empty and abandoned.
It is referred to a constitutional monarchy.
No, it is false that political conventions mostly take place on a national level, because states have mostly abandoned their use because of issues with fraud and corruption, since the most important conventions take place at the state level.
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.