The treaty of versailles was unfair towards Germany, so that would probably the spark on the western front.
Hitler prepared rather long for an all out war, he took parts of former germany back in peace. Later the USSR (union of Russia and a lot of other countries) took Poland together. (they had a non-attacking treaty). With attacking poland, France and the UK declared war and Germany took over France, Belgium and Holland almost instantly
In addition to the archaeological legacy discussed above, there remains from this period the earliest literary record of Indian culture, the Vedas. Composed in archaic, or Vedic, Sanskrit, generally dated between 1500 and 800 BCE, and transmitted orally, the Vedas comprise four major texts—the Rig-, the Sama-, the Yajur-, and the Atharvaveda. Of these, the Rigveda is believed to be the earliest. The texts consist of hymns, charms, spells, and ritual observations current among the Indo-European-speaking people known as Aryans (from Sanskrit arya, “noble”), who presumably entered India from the Iranian regions.

For all my APEX users the answer is Ireland (based on the choices given to me)
The correct answer is Because accessing oil and gas is a state <span>interest
Basically, the state legislature is the only one who can say what can and can't be done when it comes to such industry and if they decide that it's dangerous for the environment then they will support the initiative's ideas even though they oppose the legislative powers of the initiative's creators so they might just support them but out of their own decision.</span>