Why were aqueducts important to the Aztec civilization? They provided fresh water used in agriculture.
They served as artificial islands for planting crops.
They served as waterways to travel between farms.
They were used to create steps in the land for farming.

Which statement is an example of direct democracy? a) people elect a senator to the u.s. congress. b) the town council approves funding for a new high school. c) the president issues an executive preventing states from executing prisoners. d) voters approve an amendment allowing elderly people to pay nothing in property tax.

The inventor cocreated the film fred arts sneeze which was one of the first american movies

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici