Until the End of the Sixteenth Century,the Ottoman Empire Was

question 34

Multiple Choice

Until the end of the sixteenth century,the Ottoman empire was on an almost constant war footing.Why?

• A) The empire could be sustained only through raiding and conquest.
• B) Ottoman wars to expand their empire kept powerful nobles on the frontiers, away from the capital where they might have threatened the sultan.
• C) Christians launched a series of Crusades to recapture Constantinople, forcing the Ottomans to defend themselves.
• D) The Mongols posed a persistent and very real threat on the Ottomans' eastern frontier.
• E) all of these

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Definitions:

IR Absorption

The process where molecules absorb infrared light at specific frequencies, causing vibrational changes, used in spectroscopy for substance identification.

Carbonyl Stretch

Refers to the vibration of the carbon-oxygen double bond in the infrared spectroscopy region, often used to identify carbonyl-containing functional groups in organic compounds.

Characteristic Stretches

Specific vibrational movements observed in infrared spectroscopy, unique to various functional groups in a molecule.

Stretching Frequency

A term used in vibrational spectroscopy to describe the rate at which a bond between atoms vibrates, often measured in wave numbers (cm^-1).