Technically speaking, the twelve-bar blues is a progression of chords that is sustained over twelve bars. It is worked from the combination of the first, fourth, and fifth chords on any key.
<h3>Who invented the 12-Bar Blues Pattern?</h3>
The 12-Bar Blues pattern was invented by Jack Butwell, a Canadian musician
One of its uniqueness is that its major version works on any major key and its minor form works on any minor key.
The correct answer, thus, is A.
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<span>There is the abolition of slavery.There probably could be no Civil Rights Movement without the former slaves freedom. </span>
<span>The South lost a lot,and was disturbed economically and had to go through Reconstruction. The</span><span> Confederate flag still flies.</span><span>The war was a democratic experience or test for the people. </span><span>The Union was proved more important than states' rights. </span>
I want to say federal but wait till someone else answers.
Answer: A systematic sampling method.
Explanation.
The purpose s to obtain data that closely resembles that of the entire population. Because this is impractical, random sampling is used.
After determining what a reasonable sample size will be, the size of the population is divided by the sample size to obtain a sampling interval.
The random sample is obtained from the population at the calculated sampling interval.
Answer: Comforts
Explanation: I got it right and it said in the text what they all need.