US citizens have to serve on a jury when called and should <span>vote in a federal election.</span>
An example of low order explosive as described used to light up an area, communicate or make noises is; Flash powder.
<h3>What are Low order explosives?</h3>
A low explosive as the name implies is a material that has an explosion velocity less than 1000 m/s. A low order explosion is characterized as an explosive event where the blast pressure front moves slowly, displacing or heaving as opposed to shattering objects in its path.
An example is the Flash powder.
Read more on low explosives;
brainly.com/question/14891420
The answer is: "Protective" .
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One reason why the U.S. economy grew in the 20th century was A. The United States became an industrial leader.
<h3 /><h3>Why did the U.S. economy grow in the 20th century?</h3>
Thanks to an abundance of resources available to Americans, the U.S. was able to produce so much that they became an industrial power.
This fueled the growth of the U.S. such that the economy became one of the largest in the world by the 20th century.
Options for this question include:
A. The United States became an industrial leader.
B. The United States suffered heavy losses in World War I.
C. The United States cut off trade with foreign countries.
D. The United States continued to use the gold standard
Find out more on U.S. economical growth at brainly.com/question/19409052.
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Answer: Can't you look it up on google?
Explanation: