Answer: False
In Columbus's time, everyone thought the Earth was flat, and if you went to the end of Earth you would fall off from Earth and die. But, they did bot know that the Earth was actually round.
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Answer: "One of Hitler's foremost goals was that Germany should become "a World Power" on the geopolitical stage, or as he stated, "it will not continue to exist at all". Biographer Joachim Fest asserted that Mein Kampf contained a "remarkably faithful portrait of its author"."
<span>It failed because this ended up hurtingUS trade</span>
Answer: Thomas Edison
Explanation: The dictionary says it was Thomas Edison who put hello into common usage. He urged the people who used his phone to say "hello" when answering. His rival, Alexander Graham Bell, thought the better word was "ahoy."
The correct answer <em>is a Terrace</em>.
A farmer living on the edge of a steep mountain that would like to increase the number of crops he can grow, can build a terrace, one Inca advancement that could be of the most use for him.
The region of the Andes is a place where the tallest and difficult to access mountains exist. However, the Incas developed intelligent ways to harvest crops to take advantage of the steepest areas in the high mountains. They built terraces, cisterns and irrigation canals in the form of “s” or snakes in the slopes to angled down around the hills and mountains. The terraces covered thousands of hectares in ancient Peru, where Incas grew potatoes and corn.