All of the above. Haiti is located near a major fault zone, half of its population at the time lived in densely populated urban areas; their weak government, which is a remnant of colonial impact, is very poor for the same reason and therefore did not have buildings up to code regarding earthquakes.
Not sure about poor soil but it probably didn't help if that is true. Islands aren't exactly famous for a lot of quality soil (large amount of sand which is unstable).
I believe the answer to this question
The answer in the space provided is product review sites. It
is because this type of site tends to attract people in which who are
interested with a certain product or will likely view and gave a rating or
review about the product or service that they have as a way of giving their
feedback.
The evolution of social mores in the 1920s is probably one of the most impactful aspect of the Roaring 20s.
While these changes were primarily centered in the urban areas of the United States, they allowed people to begin to move past restrictive Protestant moral values and move to a more open society.
This was done in combination with the explosion of cultural contributions made by African-Americans, centered around the Harlem Renaissance.