<u>Answer:</u>
<em>b. Mitchell palmer
</em>
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<u>Explanation:</u>
The sequence of raids occuring were called the Palmer Raids. These raids were aimed at capturing the immigrants and deporting them out of the United States. Palmer, the Attorney General, was responsible to lead and carry on the raids. World War I and Russian revolution resulted in fear and rejection for the immigrants in the US. This was named the Red Scare. This fear among the people of the US gave momentum to the Palmer raids. The immigrants and non-residents of the US were referred as aliens. The US Labor Department was upset by these raids as this went against their authority to deport people.
The electric distance meter and extensometer are used to measure length between two points and tensile strength respectively.
Electronic distance measurement uses electromagnetic waves such as infrared light while extensometer place the object under stress.
<h3>What is Electronic distance measurement and extensometer?</h3>
Electronic distance measurement and extensometer are tools that can be used to Know the length between two points and tensile strength respectively using different techniques.
The extensometer usually places a sample under stress to determine the length of the material while Electronic distance measurement uses beam of infrared light.
Learn more about Electronic distance measurement at: brainly.com/question/777464
Pretty sure the answer is a.
