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>
The "Potato Famine" forced many Irish citizens to immigrate to America.
I believe your answer is a I hope this helps
For the answer to the question above, I believe the answer is "genocide<span>". It means any of the following acts committed with intent to destroy, in whole or in part, a national, ethnical, racial or religious group, as such killing members of the group or causing serious bodily or mental harm to members of the group.</span>
Van Cliburn (1934-2013) was an American pianist that was worldwide known because in 1958, when he was 23 years old and in the middle of the Cold War era and its tensions, he won the International Tchaikovsky Piano Competition in Moscow. Moscow was the capital of the Soviet Union, the country that leaded the communist block and that was the US greatest enemy.
The international piano competition was an event designed with the aim of proving the cultural superiority of the Soviet Union, after the very recent victory that the URSS had reached in the space race with the launch of the Sputnik in 1957.
Of course, it would be considered a shame that a foreign artist, and even more an American one, could perform better than the national ones. In fact, the soviet judges asked President Khrushchev if they could give the prize to an American. In this case, prejudices were left apart between two declared enemies, and culture won that night when the prize was given to the best artist, the American pianist.
