Important reasons for studying history are recognizing patterns, connecting the past to the present and revealing past contributions of civilizations.
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Explanation:
When Rome had inflation, it was mainly because the emperor started to make coins out of tin instead of silver. ... This process in turn is one cause of inflation. It can start either due to high aggregate demand or due to supply shocks, such as an oil price hike.
Conquered people often times became prisoners or servants to the elite of the land they now belonged to.
Answer:
According to the National Geophysical Data Centre, the first recorded tsunami occurred off the coast of Syria over four thousand years ago. When the island volcano of Krakatoa, Indonesia, exploded in 1883, tsunamis swept as far away as the English Channel.

the spinning wheel to produce textiles, the water wheel used to power machinery and the steam engine were invented. These inventions aided in speeding up the production of manufactured items.