Under the missouri compromise of 1820:
a. slave states gained a two-seat advantage in the u. s. senate.
b. missouri agreed to gradual emancipation of slavery in exchange for admission to the union.
c. ohio became a free state to balance the admission of missouri as a slave state.
d. the remaining louisiana purchase territory was divided into slave and free zones.
e. congress banned slavery in any new territory that might ever be added to the united states./search?

Option (D) is correct.

Explanation:

Missouri Compromise of 1820 is referred as the legislation which provided for Maine admission to US as a free state alongside Missouri as a slave state, therefore maintaining the equilibrium of authority between North and South in US Senate. The 16th US Congress passed this legislation on 3rd March 1820, and the President at that time James Monroe ratified it on 6th March, 1820.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.

c. reserves power to the states and people