How did christianity contribute to the fall of axum and its economy?

What happened between 1804 and 1815

The theory of mercantilism holds that a nation's economic power comes from a a. enslave people b. become industrial c. willingness to explore d. favorable balance of trade

What was one cause of the decembrist revolt? a. the desire for a constitutional monarchy b. the need for workers’ reforms c. the creation of a new railway line d. the outcome of the crimean war