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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Answer:
A is the only logical answer
I think The most suitable answer would be : Government control would prevent those industries from taking advantage of small farmers
Farmers were heavily relied on the railroads to bring their goods to the market. If America's railroads were controlled by corporation , they could imposed a really high transfer price to the small farmers
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The Eagle, Globe, and Anchor—the most distinct of all Marine Corps marks—has a long and storied heritage as the emblem for the Marine Corps. It is the basis for the flag, the seal, the branch-of-service insignia, and many of the logos.
The correct answer is B) US free trade increased.
An effect of US government policies during the 1920s was that US free trade increased.
The 1920s represented a time of great prosperity for the United States. Indeed, there is a term that identifies these years in America called "the Roaring 1920s." The US industry was running smoothly, people had money or credit, so they could buy many necessary or unnecessary things and this meant more income for the US companies. Those years were the beginning of Mass Culture.
