What caused events to rapidly and irreversibly led to war in europe?

Explanation:

The system of alliances was a network as product of European geopolitics. It consisted to act in a protectional way to allies, but hostile against not allies. Basically, not being ally implied you were a potential enemy.

answer: researching and understanding issues being considered by lawmakers.

explanation:

lobbying is the act of attempting to influence a politician's behaviour. lobbyists can be members of a constituency, organizations, businesses, non-profit organizations or professional lobbyists.

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