There are the same type of arguments are against the political parties, and some of the deal programs are still used today.
Complete Question:
"Although no coinage was produced in Germania, Roman coins were in plentiful circulation and could easily have provided a medium of exchange (already in the first century, Tacitus tells us, Germani of the Rhine region were using good-quality Roman silver coins for this purpose)."
When sellers are willing to accept money in exchange for goods and services, money is acting as a?
Answer:
The money is actions as a medium of exchange when they are exchanged against any goods or services.
Copying designs for machines in English factories
The basic principals of Uniformitarianism were enough to give geologists a sequencial history of the earth but absolute dating using isotope data from igneous rocks gathered using several different techniques (strontium/rubidium, parent/daughter isotope decay rates) and with the combination of these two geologists were able to develop the geological time scale.