A "D. Direct Democracy" is not an authoritarian form of government since in this form of government the people are in control, not a specific ruler or elite group.
The Renaissance slowly enabled people to think of themselves as individuals, to have confidence in their capabilities, and to look forward to the fame their achievements might bring. The eyes of the Europeans were opened through the Crusades.
The fear that japanese citizens could be spies or sleeper agents
Al-Masjid an-Nabawi is located in Medina, making the city the second most sacred site in Islam, after Mecca
The Gulf of Tonkin Resolution allowed President Johnson to send troops to Vietnam, thus waging a war without actually "declaring" it as war. Checks and balances keep the power divided and balanced among government branches; it is the duty of Congress to declare war, so President Johnson waging war without the declaration of war by Congress breaks this system.