A polis was the typical structure of a community in the ancient Greek world. A polis consisted of an urban centre, often fortified and with a sacred centre built on a natural acropolis or harbour, which controlled a surrounding territory of land.
The correct answer is <span>item veto. Basically, it's like when a teacher goes through your test and just the paper is covered in red. He vetoes only parts of it that he doesn't like and keeps what he does and the people who created the bill have to change it if they want it to be accepted.</span>
Explanation:
the two answers are handled the great number of people living in cities and the second answer is actively help people .
<span>war: they needed guns and supplies for the soldiers
communication...: people could ask for a certain product
transportation...: get supplies easier for making stuff
mass...: they could make large quantities of stuff faster</span>