Concurrent jurisdiction occurs when... A there is a disagreement between two states

B admiralty and maritime laws are broken

C a crime involves both state and federal law

D U. S. diplomats are involved

A: there is a disagreement between two states

Explanation:

Concurrent jurisdiction occurs when more than one court has the authority to hear and decide a civil or criminal case. For instance, in the United States, both federal and state courts have concurrent jurisdiction to hear and decide many types of cases.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

its tr3way you already know