I think it might be c or d but i'm not quite sure i'm srry
When a person has problems, he can turn them to positive things if he has a positive mindset.
<h3>What is Positive Change?</h3>
This refers to the type of change which is considered to be good and agreeable to most people.
Some examples of a positive change includes:
- Honesty
- Humility
- Fairness, etc.
Please note that your question was incomplete so I gave you a general overview to help you get a better understanding of the text.
Read more about positive changes here:
brainly.com/question/19464257
8 July 1497
On 8 July 1497 Vasco da Gama led a fleet of four ships with a crew of 170 men from Lisbon. The distance traveled in the journey around Africa to India and back was greater than around the equator.