In the Areas of the Middle East Controlled by the Crusaders

question 80

Multiple Choice

In the areas of the Middle East controlled by the Crusaders,

• A)the ruling barons organized their states into feudal domains based on familiar European patterns.
• B)there were built imposing European-style fortresses or castles.
• C)the European feudal system was superimposed upon the existing Arab village system.
• D)all of these choices
• E)none of these choices

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Definitions:

Uracil

A nitrogen-containing base (a pyrimidine) found in RNA, where it pairs with adenine and replaces thymine during DNA transcription.

Molecular Shape

The three-dimensional arrangement of atoms within a molecule, determined by various physical and chemical factors, impacting chemical reactivity and interactions.

Nitrogens

A rephrasing of "Nitrogens" would be: Chemical elements with the symbol N, essential for all living organisms as a constituent of proteins and nucleic acids.

HCN Bond Angle

The angle between the hydrogen, carbon, and nitrogen atoms in hydrogen cyanide, typically close to 180 degrees due to its linear molecular shape.