Answer:
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
What has a neck but can't swallow?
This is a shape and a symbol that we literally cannot live without. What is it?
A squiggly line tells you when you've done it wrong
I start with āeā end with āeā. I have whole countries inside me. What am I?
Cycle Cycle Cycle.