I am almost 100% sure that it is activist leader.
Answer:
It helped desegregate schools across America and is considered to be a landmark Civil Rights case.
Number 1: "<span>The United States was in a position to expand economically and did."</span><span>
</span><span>Number 2: "Revenge against the German nations"
Number 3: "</span><span>to judge Nazi leaders for their policies and orders"
Number 4: "</span><span>a struggle between the Eastern Bloc and the West that lasted 40 years."
Number 5: "Truman Doctrine"
Number 6: "</span><span>providing supplies for German citizens."
Number 7: "</span><span>a mutual defense alliance among Western nations."</span>
The term that describes the concept of having three branches of power is : Separation of powers
This concept prevent the Government from becoming too powerful and untouchable by its own law
hope this helps