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In the '60s, computers evolved from professional use to personal use, as the first personal computer was introduced to the public. In the 1980s, Apple introduced its first computer, the Macintosh, and has dominated the computer industry ever since with laptops and tablets.
Dropping the bombs on Hiroshima and Nagasaki were not a military necessity because from other reports, the Japanese were about to surrender anyway. It was justifiable because we were scared and we acted because we were threatened.
The introduction of silk into the Mediterranean caused the Abbasid Empire to be succesful in trade.
As the Silk Road passed through the center of the Abbasid territory, the merchants had to pay taxes to the Empire to be able to pass their products. This made that, due to the massification of silk in Europe, many more merchants used the route and, therefore, the Abbasid Empire was enriched. Thanks to this and the great cultural exchange through this route, there was a cultural renaissance and translations into Arabic of Greek, Persian and Syriac texts were made, and based on this knowledge, great scientific advances were made too. Industry and commerce also boomed.
