What are the military and economic benefits of the Panama Canal ?

It helped the US Navy to easily move its ships from the pacific ocean to the Atlantic ocean.  It also helped the US Army have shorter supply lines.  For the economy it helped trade moved faster and it got more countries involved in trade.  They could also save money on fuel and could make trade faster.

Explanation:

to it’s stable government, it has been able to accept refugees from somalia and south sudan. (apex)

yup! you are correct it is b.