Was war the only option for Europe in ww1 Could there have been another solution?

No the war  could have been avoided

Explanation: This came from a online proffeser

I think it is quite possible that the First World War needn’t have happened, and sometimes great catastrophes happen because of accidents. I think the decision by the Archduke to go to Sarajevo was one of those fateful decisions. His decision to stay in Sarajevo after the first assassination attempt and then go to the hospital to see the man who had been wounded in the first assassination attempt, his chauffeur taking the wrong turning and his car getting stalled, those were accidents.

I think if the Archduke had not been killed, things might have turned out very differently. Ironically, he was one of the key voices in Austria who had always opposed war on Serbia up until this point. So, with his death, that restraining voice was removed and the Austrian hawks had the excuse which they’d been looking for to try and destroy Serbia.

So, yes, I think it’s an interesting question. I don’t think the First World War was inevitable. I think it is always possible to avoid war, and we should always think in that way. If we think things are inevitable, then we just throw our hands up and don’t do anything. So, yes, I think accident played a very large part in the outbreak of the First World War in 1914.

As part of the system of checks and balances, in which all branches of the government can respond to the action of the other, the Judicial Branch has the power to Judicial Review: its power to influence the other branches.

Judicial review is the Supreme Court's right and power to review laws (in the local, state and federal level) and acts of the executive and legislative branches and determine their constitutionality.

For example, if the President ever decides to declare war on a country and spread it to the media. The Judicial branch is the one that can formally denounce that their actions are unconstitutional since it is the Legislative Branch, and not the President, the one that can declare war. And if Congress passes a law that is against the Constitution, such as a law that established that the government can acquire private property for whatever reason, the Judicial Branch is the one able to determine the law unconstitutional based on the Fifth Amendment that protects the right to private property.