History of bifocals and trifocals
Benjamin Franklin, the early American statesman and inventor, is credited with creating the first multifocal lens for eyeglasses. Prior to Franklin's invention, anyone with presbyopia had to carry two pairs of eyeglasses — one for seeing distant objects and one for seeing up close.
According to the graph given, employment in a lot of nations began to recover in <u>1994</u>.
In the early 1990s:
- Western nations suffered a recession.
- The recession did not last long but it took some years to recover.
The recession was said to have ended in 1992 but economic recovery in terms of employment only started for a lot of nations around 1994.
In conclusion, employment began to rise in some countries from 1994.
<em>Find out more at brainly.com/question/16181712. </em>
Answer:
<u><em>A. Vasco da Gama sailed around Africa to India. </em></u>
<u><em>B. Portugal grew in wealth and importance from its all-water route to Asia. </em></u>
<u><em>C. Portugal became the leader of the navigational arts in Europe.</em></u>
Explanation:
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