They have these things in common because each independent country, independently agreed on them.
To be honest, it should be a map or China or something, or at least the current leader.
U.S Territorial Disputes and France's Territorial Disputes
North Korea (Maritime dispute in Sea of Japan)
Singapore (Maritime dispute in South China Sea)
Nepal (Over various Tibetan lands)
Laos (A large chunk of land belonging to Laos is claimed by China)
Mongolia (Over borders with Inner Mongolia)
A quick google search shows there is a lot more border disputes than what was listed here