Answer:
b. department of homeland security.
Explanation:
Homeland Security is the main department of the U.S. government whose objective is to deter terrorist attacks. Homeland Security is a Cabinet-level agency whose roots lie in the nation's reaction to the attacks of 11 September 2001, when members of the al-Qaeda terrorist organization boarded and deliberately crashed commercial airliners of the United States into the World Trade Center Towers.
Where are the answer choices?
The Decisions at the Atlantic and Yalta conferences affected the structure and purpose of the United Nations because they showed that to keep peace in countries, these countries must be stable. It also called for freedom of elections and the right of people to choose their own leaders in Soviet Union territory, although the Soviet Union greatly opposed this.
Basically, the conferences made sure there would not be another horrific world war
The greatest common factor is 10. It is the biggest number that goes into 20 and 30 evenly.
~Silver
