They <span>hoped to placate Native Americans who had sided against him during the recently concluded Seven Years' War.</span>
In the underground railroad, there were safe places that the slave hid and slept that were called "safe houses" or "stations". The slaves traveled in a couple set of routes with regular paths. The slaves hid and slept in stations during the day and then traveled at night, because the slaves owners were looking for them during the day, so the slaves would be safer if they hid and slept during the day.
Therefore the answer that you are looking for is,
All of the above.
I hope that this has satisfied you.
1. gulf of tonkin incident
2. truman doctrine
3.containment of communism
probably a little off but it'll lead you in the right direction.
(I was literally learning this a couple months ago and my memory is a little rusty)
to scare away evil spirits as they beleived that the noise scared/bothered them
