<span>During World War II, the Tehran and Yalta were significant significant because </span>sites of conferences held by the Big Three . The so called the Big Three is <span>The Tehran, Yalta and Potsdam Conferences. The answer is D, hope it helps. </span>
The invention of the lightbulb allowed factories and mills to stay open longer and work through the night. Hope it helps :)
Answer:
The Crusaders brought back new ideas to Europe.
Answer:
More jobs were created, so more people were needed. A higher level of education allowed people to have potential to obtain a higher paying job. This also created two sides: skilled and unskilled labor.
Explanation:
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