I believe the answer is d, hunting
Ejemplos de las fuentes primarias
Un libro que sería fuente primaria es por ejemplo un censo electoral, o el manuscrito original de “El Príncipe” de Maquiavelo, mientras que una fuente secundaria seria un libro que analice los datos del censo o un análisis del libro de Maquiavelo.
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!
The answer to your question is D.
The framers of the United States Constitution based our federal government on federalism. ... Federalism has evolved over the course of American history. Some important events have shaped the balance between the national and state governments so that federalism best suits the needs of the country at that time.