Declining trade with Europe
Failed attempts to
invade Europe
Decline of the
Ottoman Empire
Which option best completes the diagram?
O
A. Conflicts with Hindu and Sikh organizations
B. Leaders reversing policies of religious tolerance
Ο Ο
C. Reliance on Christian Janissary soldiers
O
D. Increasingly outdated military technology

D. Increasingly outdated military technology

Explanation:

Based on historical records, the option that best completes the diagram is "Increasingly outdated military technology."

This is because the Decline of the Ottoman Empire could be traced to various issues, among which is the increasingly outdated military technology.

The decline of the Ottoman Empire in terms of the military might was evident during the Balkan Wars which occurred between 1912 to 1913. At this point, the Ottoman Empire lost nearly all its European territories.

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

these civilizations were located around fertile rivers, where they could produce an abundance of crops