They exported teas<span>, </span>salt<span>, </span>sugar<span>, </span>porcelain<span>, and </span><span>spices
They imported </span>cotton<span>, </span>ivory<span>, </span>wool<span>, </span>gold<span>, and </span><span>silver</span>
The answer is D. <span> invention of the first steel tools
Actually, this very topic is still a hot debate among scientists because the shift happens on different reasons in each region of the world.
But one thing they have in common is that Steel tools give the member of early societies the capabilities to rake uplands and cutting up crops that really useful in farming and herding.</span>
Answer: There was a significant disillusion towards being able to assist Europeans and other nations in fighting off significant threats. At the same time, postwar disillusion in Europe resulted in a general rejection of the institutions and ideologies that plunged the continent into the worst of all wars.
