Answer:600 BC - Electric Charge
Explanation:
As early as 600 BC the Greek philosopher, Aristophanes was aware of its peculiar property: when rubbed with a piece of fur, amber develops the ability to attract small pieces of material such as feathers. For centuries this strange, inexplicable property was thought to be unique to amber.
The Magellan’s crew completed their first voyage between when Matin Luther promoted Church reform in 1517 and Cartier claims Canada for France in 1534.
Answer:
C. Traders in Africa had contact with Arabia and converted to Islam.
Explanation:
Although you did not include options for this question, we can answer the following.
BC and AD or BCE and CE are the two most commonly used notations to denote the dates of historical events. However, most ancient civilizations did not use this method of marking dates. The Christian calendar was introduced in Rome only when the Roman Emperors converted to Christianity. This system of dating is still used internationally. Using a uniform dating system makes it easier to mark and compare historical events.
There is no doubt that history needs a uniform system to date events and incidents in human history. Otherwise, historians could confuse people who misunderstand the events in the context of time.
Then in 1582, Pope Gregory XIII made his contribution and introduced the so-called Gregorian calendar.
These adjustments in the measure of time have helped historians and scholars to properly locate events and match them with characters that were the protagonist of history. So in simple terms, we can refer to common dates and being on the same page.
It marked the barrier between Western pro American countries and the USSR controlled communist States