Which of the following was a tactic used by the US during the Vietnam War?

Amain purpose of the president‘s state of the union address is to - identify major policy issues - explain supreme court decisions - challenge congressional actions - speak out against political opponents

Explain the reasons for u. s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.

Why are nation-states difficult to create?