Which term is applied to powers shared between the state and federal government?

The term applied to powers shared between the state and federal government are known as "Concurrent power".
Concurrent powers in countries with a federal government refer to such powers that are shared by both the government and every constituent political unit, for example, a state or province. These include collecting taxes, Setting up court systems, Charter banks etc.

the answer is a new goverment.

“i think it is very plausible that if there are five votes to end the death penalty, it could be with the people who are on the court right now,” - smith

so basically it is not clearly and consistently imposed