During the Cold War period, the United States entered conflicts with Korea and Vietnam to prevent the spread of communism. Some theorists believed that these regions surrounding the Soviet Union had to be protected because gaining control of these areas would lead to world domination. Which of the following theories is MOST closely related to this idea? A) Dependency theory
B) Domino theory
C) Heartland theory
D) Rimland theory
E) Containment theory

The subject option isn't available. the topic is earth science!suppose you are a city engineer whose job it is to explore how to use more renewable energy in your locality. 1. consider the resources in your city and select one of the following: - hydropower -solar power -wind power -geothermal power 2. prepare a pamphlet or multimedia presentation to convince a committee of citizens and local leaders that the renewable energy source you have selected is best for you locality. in your pamphlet or presentation include: - a discussion of the renewable energy source that is best for your town and why -a discussion of the advantages and disadvantages of this energy source -a discussion of why you think your city should use more of this energy source -how the use of renewable energy will impact your city -pictures and/or charts and tables to strengthen your arguments