In the united states, which level of government has the highest authority? state county city national

In the confederate states of america, the government could not overrule the decisions of state course. what happened to the states when they had conflicts?

How did the battle of okinawa affect president truman’s decision to use the atomic bomb against japan? it showed that japan was close to surrendering. it showed that the us could not win the war without it. it showed that japan was willing to fight to the end. it showed the us could easily defeat japan.

How did great depression affect germany and the soviet union differently