C , I think , Hope this helps
Answer:
A historical person or event can acquire significance if we, the historians, can link it to larger trends and stories that reveal something important for us today.
Explanation:
“George Washington Carver was always interested in plants. When he was a child, he was known as the "plant doctor." He had a secret garden where he grew all kinds of plants. People would ask him for advice when they had sick plants. ... (Nutrients provide nourishment to plants.)”
Answer:
1.it helps us to communicate with peoples.
2.It make friendship between group of people.
3.Whenever we need help the people of our society definitely help us..,etc.
Explanation:
May be this will help.