To thank Charlemagne for keeping him in power
Answer:
B. By govnt providing for the welfare of people
The answer u r looking for is b
Building and managing of irrigation systems.<span>
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Answer: Abacus
Explanation:
The longer slot with five beads below the Ө position allowed for the counting of 1/12 of a whole unit called an uncia (from which the English words inch and ounce are derived), making the abacus useful for Roman measures and Roman currency.
If you are wondering what they used as numbers that would be Roman Numerals being: I II III IV V VI VII VIII IX X
