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.

would not cooperate with each other voluntarily.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.