20. What structure is recognized as the greatest architectural achievement of Justinian's reign?

a)
Hagia Sophia
b)
Shehzade Mosque
c)
Notre Dame Cathedral
d)
The Kaaba

21.
What research library, staffed by Muslim scholars, became a great center of learning in medieval times?

a)
the House of Wisdom
b)
the Library of Alexandria
c)
the Hagia Sophia
d)
the Dome of the Rock

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The sixth amendment of the u.s. constitution guarantees the right to which of the following?

Which statement best evaluates the impact of the 1929 stock market crash on europe? 1. the united states established high export tariffs to europe that reduced goods exported to germany. 2. the united states promoted domestic policy initiates that reduced jobs on american bases in europe. 3. the united states promoted isolationism that withdrew troops from europe causing germany to pay its own national defense. 4. the united states eliminated loans to europe that caused germany to default on its reparation payments to france.

In what was the 1851 indian appropriations act considered a peace plan according to the federal government