Debris seems like it fits well <span />
I believe the answer to this could be C.XVII
The fact that the government is divided into three branches is known as the "division of power" - the power is distributed to avoid power abuse, so that no instance has unlimited power.
The fact that the three branches are overlapping is known as "checks and balances" - the branches check the other ones (whether their function is lawful) and balance each other.
Answer:
The Ottoman Empire was a state that controlled much of Southeastern Europe, Western Asia, ... Some of these were later absorbed into the Ottoman Empire, while others were ... The word Ottoman is a historical anglicisation of the name of Osman I, the ... Rise (c. 1299–1453). Main article: Rise of the Ottoman Empire.
Explanation: