In the mid-20th century, researchers dredging the seafloor could not find any materials older than <span>180 million years old.
-Hope this helps.
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It is true. And i gotto make my answer longer -.-
Answer: These questions are answered based on a country's economic system.
British troops marched into a town, to I think make sure there was still order among the townspeople. The townspeople got angry for some reason and one threw a stone or something and that started it I’m pretty sure about six to seven people died(I don’t know how many were injured) and the “massacre” was the wrong word, the press used it to promote patriotism against the British.
Answer:
<em>By increasing volume of trade and also increasing the geographical range of preexisting and newly active trade networks.</em>
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Explanation:
Improvement in transportation technologies in post classical era led to an increase in the amount of goods and people that could be ferried along trade route. It also facilitated the discovery and usage of new trade routes which would otherwise not be passable due to previous transportation technologies. Improvement in commercial practices like adoption of new languages and an agreement of payment modes also made trading with other people possible.
some of these post classical era trade routes that shaped transportation technology and commercial practices improvement includes the silk trade route in the Asia, the trans Saharan trade route in Africa and the Indian ocean trade route among others.
