I believe the answer is The Fireside Chats.
Answer:
B.Theodore Roosevelt
Explanation:
Theodore Roosevelt was American politician who served as 26th president of the US. He stayed in office from 1901 to 1909. He also worked as 25th vice president of USA. He is considered to be among five best presidents. Construction of [panama canal was completed during his presidency, he used Big Stick Diplomacy and brokered to get agreement for constructing Panama canal. He also expanded US influence in Cuba and negotiated the peace treaty between Russia and Japan.
The North Vietnamese<span> government and the Viet Cong were fighting to reunify </span>Vietnam<span>. They viewed the conflict as a colonial </span>war<span> and a continuation of the First Indochina </span>War<span> against forces from France and later on the U.S. ... Beginning in 1950, American military advisors arrived in what was then French Indochina.</span>