The border is the door to America. Immigrants must pass the border, or "the door" to enter America.
Not sure about the context but I would say Christianity
Answer: Non-shared environment
Explanation:
The non-Shared environment is one of the type of genetic analysis in which an individual people are living together and also share common family environment but they are dissimilar in nature and the various types of activities so this concept is also known as the Un-shared nature.
According to the given question, the Children are growing up in the similar home and they have same parents but they have different types of human relationship and activities and this type of broader situational factor is refers as the Non-shared environment.
Therefore, Non-shared environment is the correct answer.
