Historians use primary sources like diaries, letters, speeches. And secondary sources like articles.
All people have the same legal rights.
Answer:
The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area. Along much of the Ring of Fire, plates overlap at convergent boundaries called subduction zones. ... A significant exception is the border between the Pacific and North American Plates.
Low wages, unemployment, and domestic violence i think