Within the Ottoman Empire, the Janissaries were . Select all that apply.

The Janissaries were members of an elite corps in the standing army of the Ottoman Empire from the late 14th century to 1826.

Explanation:

They constituted the first modern standing army in Europe.

I hope this helps, because I'm not sure of what the options are.

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

it would be a. that is the only one i could think of