It would affect work and factories because id the workers may need food they would not have any
before the arrival of European settlers.
Sparta was at controlling helots, by murdering them, terrorizing them, brainwashing them and beating them into submission. When the Spartans dominance eroded and Greece fell to Rome, helots still did not get their freedom. Instead Of being slaves in Sparta, they became slaves in Rome
The correct option is D. Volcanic eruption released large amounts of water vapor into Earth's early atmosphere.
Earth’s first atmosphere had lots of water vapor but it almost lacked oxygen. Eventually, frequent volcanic eruptions put several different gases into the air. These gases created a new type of atmosphere for Earth. The volcanic eruptions spewed gases such as nitrogen, carbon dioxide, hydrogen, and water vapor into the atmosphere, but no free oxygen. Without oxygen, there could not be life on Earth.
Answer:
I'm sorry I'm not good at history.
Explanation: