The correct answer is C. Checks and balances. The Checks and balances system is crucial for constitutional and tripartite governments. Since it allows for the different branches of a government (judiciary, executive and legislative power) to share and control their power. It prevents the risk of power centralization and defines the specific duties each branch government has to fulfill.
The Black Sea was the waterway most controlled by the Byzantine Empire during its height and most of its existence. Constantinople which is nowadays know as Istanbul was the capital city of the empire and it was located in the Bosphorus strait, which is the connecting link between Mediterranean Sea and the Black sea.
That geographical area was a strategic point for commercial routes between Europe and Asia, and it was also military disputed due to be considered the entrance to Europe for eastern invaders.
B. Because The Agricultural Adjustment Administration (AAA) brought relief to farmers by paying them to curtail production, reducing surpluses, and raising prices for agricultural products
Yes they often slowed work