The American children would then go to a foster home entitled in a foster care program if both parents would get arrested. This can be hard but the American law should be followed. Hope this answer would be of help then.
B. Cooperative federalism has been practiced in the US since 1860.
Cooperative federalism, or the concept of federalism in which local, state, and federal governments work together to create policies, replaced dual federalism in the 1930s.
Both the Mayans and the Aztecs developed advanced calendars and had an understanding of astronomy.
Hope this helps :)