How many years passed between the building of the aqua appia and the completion of the pantheon

In response to the probable growing need for water, the censor Appius Claudius Caecus built the Aqua Appia in 312 BC. It was the procedure in Rome to entrust to the two 'censors' during their eighteen months of office the building of public works.

i believe the correct answer is b.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

i hope this : )