Question below!
Why did President Johnson believe that it was important for the United States
to win in Vietnam?
Answer:
<em>Hello, There! I'm here to help!</em>
<em>The Correct Answer Is D. He believed in the domino theory.</em>
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Explanation:
Information to backup My Answer!
President Johnson believed that it was most important for the US to win in Vietnam because communists were spread around the world and Australia and the US feared that the domino theory was becoming true.

Hope this helps!
Answer: Very dangerous, does that count?
Answer:
A... he feared the creation of a state dominated by democrats..... is your answer.... may it help you
They made these things to improve how they trade with others. ex. trains are made to export goods to another location
I dont know if that is good enough?