Innovations in technology radically change military budget allocation from focusing on soldiers development into budget plan that focus on development of weapons and war vehicles.
In the late nineteenth century, industrialized nations able to produce high quality weapons in large quantity due to the industrial revolution. Since those weapons able to eliminate enemies in larger numbers, all countries start to see that focusing their budget for those weapons were far more beneficial.
Answer: The most common tones produced by sirens in the United States are "alert" (Steady) and "attack" (wail). ... Attack Warning – A 3 to 5 minute wavering tone on sirens or a series of short blasts on horns or other devices. The Attack Warning signal means detection of an actual attack or accidental missile launch. The sirens are usually for the people surrounding the area to let them know that they need to evacuate immediately.
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Hey the year is 1961 now plss thank me
I think its a) one event happened only as a result of the other