The main idea in the above paragraph is that D.) Different Societies have different ideas about the purpose of marriage.
American society marry because the couple romantically love each other.
Other society marry for economic purposes. Still other society marry to retain the pureness of the lineage, to secure the family wealth within its grasp, and to further amass power and privileges.
In the Swiss Family Robinson, the family in the story line decided to build the fort in the edge of the savannah in order to protect themselves from harm and to be able to look out for each other as they knew that the pirates or people in living nearby could attack them any time soon. This is the reason why they decided to build the fort on the edge.
Answer:
B.
Explanation:
"to her family." If it was a verb, then it would be an infinitive, but it is not.