The Loyalists were the people who remained loyal to the British Crown rather than were in favour of independence.
The Loyalist were on the average older and partially also richer: they were better established and therefore a change would be a risk for them. This was their reason: they were afraid of change and of loosing their position.
This shows that they were very clever to make a stone wall. This makes trying to bring down the wall harder most likely make enemy think not to attack them.
A. Spain have a nice day !
Answer:
It originated from China
The black death first affected China, and then traveled to Northern Africa.