They wanted to avoid working with Muslim middle-men who would take part of the profit for supplying them with Asian goods. They developed naval travel to travel on their own and increase their profit.i hope this helps
The item that was NOT a cause of the Reformation:
C. The desire to spread Islam to Western Europe.
Further details:
The Roman Catholic Church failed to provide much hope or comfort to people during the years of the 100 Years War and the devastation of the Black Death. Corruption within the church only became worse in the years that followed, and people were wanting change. Coupled with that were new ideas and challenges being posed by the start of the Scientific Revolution. Martin Luther, whose activity sparked the Reformation, was a contemporary of Nicolaus Copernicus, whose work sparked the Scientific Revolution.
Secondary Sources are useful because they offer a different point of view to past events. While most secondary sources are based on a primary source, they are still useful because of the analysis that they can offer compared to past stories.