Please help me.

b

Explanation:

Indians of the southwest made bricks out of dirt and straw and dried them in the sun to build their pueblos. ... Most pueblos had large underground rooms called kivas that were used for ceremonies and meetings. Structures made of adobe would not stand up to long periods of rain—over time they would dissolve! a communal structure for multiple dwelling and defensive purposes of certain agricultural Indians of the southwestern U.S.: built of adobe or stone, typically many-storied and terraced, the structures were often placed against cliff walls, with entry through the roof by ladder.

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."