The vocabulary word which means "money coming in" or "income" is:
boycott
revenue
ruinous
tariff

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government