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

PLEASE IM BEGGING YOU BE QUICK ILL GIVE 100 POINTS I SWEAR ON MY LIFE

Was sharecropping a good way to survive

What were some reasons the russian people grew to oppose world war i? check all that apply. millions had been killed. food and supplies were running out. the tsar had been overthrown. soldiers were forced to fight. industrialization was happening too quickly.

Match these items. 1 . stephen douglas published "north star" 2 . frederick douglass first african slaves arrived in jamestown 3 . crittenden compromise proposed kansas-nebraska act 4 . republican party extend 36° 30' line to california 5 . abolitionists servitude in exchange for passage to the united states 6 . indentured struggle between proslavery and antislavery groups 7 . jefferson davis formed to prevent spread of slavery 8 . "bleeding kansas" wanted slavery abolished 9 . uncle tom's cabin president of confederacy 10 . 1619 harriet beecher stowe