Adoption: 1. The act of adopting or state of being adopted; voluntary
acceptance of a child of other parents to be the same as one's own
child.
2. Admission to a more intimate relation; reception; as, the
adoption of persons into hospitals or monasteries, or of one society
into another
3. The choosing and making that to be one's own which originally
was not so; acceptance; as, the adoption of opinions.
4. To take and follow (a course of action, for example) by choice or
assent: adopt a new technique.
Which is the BEST meaning for adoption as it is used in this sentence
from paragraph 37
The Cherokees formally organized in 1975 with the
adoption of a new Constitution that superseded the 1839
Cherokee Nation Constitution.
A) Definition 1
B) Definition 2
C) Definition 3
D) Definition 4