Developed by the administration of Harry Truman in the late 1940s, the correct answer is the policy of containment.
Containment refers to the US's policy, developed by legendary diplomat George Kennan, where the US would help any free nation threatened by communism by stopping the spread of communism.
The type of star system shown in this picture is: B. open cluster.
<h3>What is a star?</h3>
A star can be defined as a giant astronomical object that contains a luminous sphere of plasma and two (2) main hot gases (hydrogen and helium), and it is bounded together by its own gravitational force.
<h3>What is star system?</h3>
A star system is also referred to as stellar system and it can be defined as defined as a collection of stars (galaxies) which orbit each other and are bounded together by gravitational force.
By critically observing the picture depicting a star system, we can reasonably infer and logically deduce that there are thousand of stars (open cluster) that were formed, which are typically from the same giant molecular cloud.
Read more on stars here: brainly.com/question/12452195
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Complete Question:
Which type of star system is pictured?
-globular cluster
-open cluster
-binary
Responding to xenophobic concerns, Congress passed an emergency law restricting immigration in 1921. Among other provisions, the Act established a quota (a proportional share of a total) for nationalities on the basis of their numbers in the U.S. in 1910.
The missing detail is: a quota.
It's not necessarily that the 13th Amendment overturned the Dred Scott Supreme Court decision, it's that it outlawed slavery in the United States, meaning it granted to right of liberty to all Americans.
:
Monopoly: There is a single seller in the market
Oligopoly: every company in this market structure is aware of the actions of the other companies (oligopolies are a small number of companies controlling the markets- there are elements of collusion in this structure because the firms work together to control prices and the market)
Perfect Competition: There are no barriers to entry (lots and lots of competing companies that each have a small share of the market)
Collusion: 3 companies secretly enter into a price agreement (this is illegal in many cases)
