They all have people living in them.
They all have different climates
To lay the foundations for a world government that would replace existing nation-states and their militaries is the statement that is not a purpose of the United Nations as described in the United Nations Charter of 1945
Answer: changes in structure
Explanation:
Pauline Boss describes stress that occurs in families when a member is added or subtracted as normative stress due to changes in structure. Families continuously change structure over time due to births or adoptions, deaths, and marriages and this can create a shifting reality of who belongs to the family or not.
While some families handle this change in structure well, others cannot cope and may spiral into dysfunction.