What two things does Rome design first?

Explanation:

They did invent underfloor heating, concrete and the calendar that our modern calendar is based on. Concrete played an important part in Roman building, helping them construct structures like aqueducts that included arches.

Some things they invented were underfloor heating, concrete and the calendar that our modern calendar is based on.

Explanation:

These could be the answers unless there are options to the question!

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

explanation:

i think it is in quadrant 4.

the five year plans were part of a command economy. there was little choice in what would be emphasized for the current 5 year period.

the answer to democracy or totalitarianism is a bit harder. in stalin's time, russia was totalitarian. now that's not entirely true. putin has moved towards at least the boundary.