After Austria-Hungary declared war on Serbia on July 28, 1914, there was a flurry of activity across Europe. The first, and arguably most important, event happened on the same day. Russia, Serbia's main ally, mobilized its military and prepared to defend Serbia.
Large-scale and small-scale wind currents are called macroscale or synoptic scale.
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The United States purchased the Louisiana Territory from France at a price of $15 million
(°∀°)b
Answer: A
Explanation: japan bombed the pearl harbor during the world war 2 therefore a they increased surveillance of Nazi sympathizers in the us