People used the Tiber River to move goods easily between eastern and western Italy. true or false

False

Explanation:

The Tiber provided a reliable source of fresh water. Romans used this water to irrigate their farms, as well as to provide drinking water for humans and animals. However, Rome was not near the delta of the Tiber River

what is the tax base for the sales tax?

it should be (usually ) 6%

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.